Within the lengthy-term operation from the punch manufacturers man
punches kangaroo 3d, will disclose the position of the damaged fishing rod,
that will provide the day to cope with 40 a lot of punch manufacturers to create
the problem, this time around we have to discover the causes of the damaged
fishing rod notice timely construction process, saving processing impact, What
exactly is why the punch bar breaks? 40-ton press manufacturer Punch fishing rod
break for various reasons:
1, overload fracture Overload rupture 's the reason
for persistence from the pressure past the limit, generally, because of the
switching from the four-bar deformation acquired clamping pressure punch quest characters, whether or not
the resolution of the size of four bars, the deformation is totally different
from in an exceedingly small amount of time, The rods are shorter and could bear
greater than 1/4 that belongs to them clamping pressure, leading to cards.
2,
the high temperature strain caused tensile Hot temperature strain might be
lacking will probably result in damaged fishing rod, otherwise a black and
white-colored four rods, for instance: a lengthy three short, lengthy fishing
rod, after which because of rapid temperature brought on by high or pessimistic
thermal stress, Inside a static binding, an unpredicted situation may cause the
sucker fishing rod to interrupt.
3, composite materials brought on by fracture
strain When the mold isn't satisfied, the size of the sensing error, the bearing
seat height and fishing rod length along with other places an excessive amount
of punch
uppercut cigars, once the connecting fishing rod upright, uneven both in
sides from the pressure. Then, a template, pendulum bending stress and tensile
stress, within the ignorant aim of the fishing rod, the pull fishing rod is
simple to drag off. Otherwise it can lead to product flash, the operator
generally lack of skill will further boost the clamping pressure, resulting in
fishing rod overload and mold overload distortion.
4, the harm brought on by
transient response stress Therefore, once the mold is opened up, the mechanical
shock brought on by the immediate stirring, the fishing rod is extremely parts
failure because all of the clamping parts (such as the mold) for any lengthy
time stress condition continuity, can result in parts Premature fatigue failure.
The above mentioned is really a 40-ton punch press manufacturers introduced the
reason why for the development of fishing rod breakage.
2016年12月18日星期日
What's precision rubber stamping and ordinary rubber stamping: What's rubber stamping
What's precision rubber stamping and ordinary rubber stamping: What's rubber
stamping? Rubber stamping is using conventional or special punching equipment,
power, so the sheet directly within the mold through the deformation pressure
and deformation, producing a certain shape, size and gratifaction of producing
parts technology. Sheet metal, mold and equipment are three aspects of rubber
stamping. Rubber stamping is really a cold deformation of metal processing
methods. Therefore, it's known as cold rubber stamping or sheet metal rubber
stamping, known as rubber stamping. It's a metal plastic processing (or pressure
processing) among the primary methods, but additionally underneath the material
developing engineering technology.
Punching utilized by the rubber stamping die referred to as mold, known as die. Die may be the material (metal or non-metallic) batch processing in to the needed bits of special tools. Die within the rubber stamping is important, there's you don't need to satisfy the needs from the die, punching production is tough to handle there's no advanced die, advanced rubber stamping process cannot be achieved. Rubber stamping process and mold, rubber stamping equipment and rubber stamping materials constitute the 3 aspects of rubber stamping, only they may be attracted with one another rubber stamping parts. ??Compared along with other ways of machining and plastic processing, rubber stamping has numerous unique advantages when it comes to technology in addition to economy. Mainly the following. ??(1) rubber stamping processing of high production efficiency, and simple to function, simple to achieve mechanization and automation. It is because the rubber stamping would be to depend on rubber stamping die and rubber stamping equipment to accomplish the processing, general presses the amount of strokes each minute as much as a large number of occasions kangaroo punch drone out sky, high-speed pressure to countless occasions each minute or maybe more than the usual 1000 occasions, and every stroke rubber stamping Could get a punch. ??(2) rubber stamping because of the mold to guarantee the rubber stamping areas of the shape and size precision, and usually don't damage the top quality of rubber stamping parts, and die existence is usually longer, so the caliber of rubber stamping stability, interchangeability, with 'exactly the same' Characteristics. ??(3) rubber stamping could be processed from the bigger size range, the form from the more complicated parts, like a small stopwatch towards the clock, large automotive stringers, panels, etc., plus rubber stamping material cold deformation hardening effect, rubber stamping strength and Stiffness are greater. ??(4) rubber stamping is usually and not the formation of nick debris, material consumption less, with no other heating equipment, that is a province of fabric, energy-saving processing methods, rubber stamping areas of the low cost. ??As the rubber stamping has such advantages, rubber stamping processing in an array of national economy in an array of applications. For instance, within the aerospace, aviation, military, machinery, farming machinery, electronics, information, railway, telecommunications, transportation, chemical, medical equipment, household appliances and lightweight industry along with other departments have rubber stamping processing. Not just the whole industry used it, and every person directly using the rubber stamping products in touch. Like aircraft, trains, cars, tractors there are lots of large, medium and small rubber stamping parts punch tv. Vehicle body, frame and rims along with other parts are rubber stamping out. Based on the survey statistics, bicycles, sewing machines, watches, 80% of rubber stamping parts TV, tape recorders, camcorders, you will find 90% of rubber stamping parts you will find food metal covering, steel boiler, enamel bowl and stainless dinnerware, All while using rubber stamping die processing products the computing devices can also be the possible lack of rubber stamping parts.
However, the rubber stamping die utilized in general possess a special nature, and often numerous complex parts have to die processing to shape, and also the mold manufacturing high precision, high technical needs, is really a technology-intensive products. Therefore, only within the rubber stamping parts manufacture of vast amounts from the situation, the benefits of rubber stamping could be fully reflected to be able to obtain better economic benefits punch quest pixel punch. ??Of course, rubber stamping there are several problems and shortcomings. Mainly within the rubber stamping process noise and vibration generated 2 kinds of pollution, and also the operator's safety accidents occur. However, these complaints aren't entirely because of rubber stamping process and die itself introduced, but mainly because of the traditional rubber stamping equipment and backward manual operation caused. Using the progress of science, especially the introduction of computer systems, using the progress of electromechanical integration technology, these complaints is going to be solved as quickly as possible two perfect. ?Precision punching precision rubber stamping generally could be known as a molding, to reduce rubber stamping after processing. ?Ordinary rubber stamping is rubber stamping, still publish-processing.
Punching utilized by the rubber stamping die referred to as mold, known as die. Die may be the material (metal or non-metallic) batch processing in to the needed bits of special tools. Die within the rubber stamping is important, there's you don't need to satisfy the needs from the die, punching production is tough to handle there's no advanced die, advanced rubber stamping process cannot be achieved. Rubber stamping process and mold, rubber stamping equipment and rubber stamping materials constitute the 3 aspects of rubber stamping, only they may be attracted with one another rubber stamping parts. ??Compared along with other ways of machining and plastic processing, rubber stamping has numerous unique advantages when it comes to technology in addition to economy. Mainly the following. ??(1) rubber stamping processing of high production efficiency, and simple to function, simple to achieve mechanization and automation. It is because the rubber stamping would be to depend on rubber stamping die and rubber stamping equipment to accomplish the processing, general presses the amount of strokes each minute as much as a large number of occasions kangaroo punch drone out sky, high-speed pressure to countless occasions each minute or maybe more than the usual 1000 occasions, and every stroke rubber stamping Could get a punch. ??(2) rubber stamping because of the mold to guarantee the rubber stamping areas of the shape and size precision, and usually don't damage the top quality of rubber stamping parts, and die existence is usually longer, so the caliber of rubber stamping stability, interchangeability, with 'exactly the same' Characteristics. ??(3) rubber stamping could be processed from the bigger size range, the form from the more complicated parts, like a small stopwatch towards the clock, large automotive stringers, panels, etc., plus rubber stamping material cold deformation hardening effect, rubber stamping strength and Stiffness are greater. ??(4) rubber stamping is usually and not the formation of nick debris, material consumption less, with no other heating equipment, that is a province of fabric, energy-saving processing methods, rubber stamping areas of the low cost. ??As the rubber stamping has such advantages, rubber stamping processing in an array of national economy in an array of applications. For instance, within the aerospace, aviation, military, machinery, farming machinery, electronics, information, railway, telecommunications, transportation, chemical, medical equipment, household appliances and lightweight industry along with other departments have rubber stamping processing. Not just the whole industry used it, and every person directly using the rubber stamping products in touch. Like aircraft, trains, cars, tractors there are lots of large, medium and small rubber stamping parts punch tv. Vehicle body, frame and rims along with other parts are rubber stamping out. Based on the survey statistics, bicycles, sewing machines, watches, 80% of rubber stamping parts TV, tape recorders, camcorders, you will find 90% of rubber stamping parts you will find food metal covering, steel boiler, enamel bowl and stainless dinnerware, All while using rubber stamping die processing products the computing devices can also be the possible lack of rubber stamping parts.
However, the rubber stamping die utilized in general possess a special nature, and often numerous complex parts have to die processing to shape, and also the mold manufacturing high precision, high technical needs, is really a technology-intensive products. Therefore, only within the rubber stamping parts manufacture of vast amounts from the situation, the benefits of rubber stamping could be fully reflected to be able to obtain better economic benefits punch quest pixel punch. ??Of course, rubber stamping there are several problems and shortcomings. Mainly within the rubber stamping process noise and vibration generated 2 kinds of pollution, and also the operator's safety accidents occur. However, these complaints aren't entirely because of rubber stamping process and die itself introduced, but mainly because of the traditional rubber stamping equipment and backward manual operation caused. Using the progress of science, especially the introduction of computer systems, using the progress of electromechanical integration technology, these complaints is going to be solved as quickly as possible two perfect. ?Precision punching precision rubber stamping generally could be known as a molding, to reduce rubber stamping after processing. ?Ordinary rubber stamping is rubber stamping, still publish-processing.
What can cause the crankshaft bearing heat
Punch within the control or punch manufacturers will encounter crankshaft
bearing fever scene, then what's the reason for it, then your supply of the
little series towards the public concerning the causes of the crankshaft bearing
heat and punch factory test punch
3d. Together to discover it.
1, when the procedure is not really a collection or mixture of the collector cannot be opened up following the turnaround of health spring fall elasticity. Bond the camp ground too tight, the exchange of spring, study regarding the mixture from the distance between scraping key
2 kangaroo punching anchor, punch crankshaft bearing fever, shaft scraping bad, smooth bad, new scraping research copper tiles, look into the lube situation
3, rail burning, rail clearance is simply too small, poor lube, poor diplomatic relations, re-scratch the rail, swap space, focus on lube ?4, from the oil in the bearing copper scrap, lack of oil, lubricating oil isn't clean, look into the lube conditions power punch, interrupt bearing test scrubbing.
1, when the procedure is not really a collection or mixture of the collector cannot be opened up following the turnaround of health spring fall elasticity. Bond the camp ground too tight, the exchange of spring, study regarding the mixture from the distance between scraping key
2 kangaroo punching anchor, punch crankshaft bearing fever, shaft scraping bad, smooth bad, new scraping research copper tiles, look into the lube situation
3, rail burning, rail clearance is simply too small, poor lube, poor diplomatic relations, re-scratch the rail, swap space, focus on lube ?4, from the oil in the bearing copper scrap, lack of oil, lubricating oil isn't clean, look into the lube conditions power punch, interrupt bearing test scrubbing.
2016年5月5日星期四
Arturo Alvarez Demalde Announces New Interview on busbarmc com
Well known blogger Kimra Bettasso has lately questioned Arturo Alvarez Demalde.
Alvarez Demalde shows a couple of of his recent DIY projects plus a couple of do
it yourself tasks he lately completed. Within this interview Kimra Bettasso
continues a lengthy string of interviews rich in profile individuals her
industry. Starting with an emphasis on DIY Kimra Bettasso takes this interview
from bland to exciting with pointed questions that arrive at the heart of DIY
and residential improvement. That real question is Why. Bettasso asks that
question of Arturo Alvarez Demalde many occasions and Alvarez Demalde solutions
together with his own methods to overcome the issues he faced.
Ive discovered that each DIY project includes its very own group of complications, states Alvarez Demalde hydraulic busbar bending. From individuals complications arise a larger understanding towards the medium by which your working press bending machine. Wood for instance is simpler to utilize than say aluminum, but wood is clearly less rigid. Selecting a material and understanding the preferred outcome before you begin is vital. Bettasso recognizes that lesson perfectly, she states, Initially when i first mentioned doing DIY projects by myself, I understood I'd a fairly steep mountain to climb. I wasnt exactly well experienced with what tools were perfect for which project, nor did I understand how the various tools labored. The very first time I recognized it was after i required to rip a sheet of 4x8 plywood. Since I Have had used a circular saw a couple of occasions, I grabbed it making my mark. The objective was straight, but my cut wasn't. Works out that with no guide a circular saw is tough to cut an upright line with! Alvarez Demalde chuckled as he heard Bettassos novice mistake, he states, I really like hearing tales like this. It is not that lengthy ago that everyone was at her footwear. Everybody discovers best by doing and often the easiest method to learn is as simple as mistake.
Certainly one of my rookie mistakes was planning for paint on the finished surface. It had been certainly one of my first projects and that i understood that multiple jackets were essential for sturdiness. The very first coat continued easily. I left for that store to obtain a couple of supplies and left my piece outdoors located on sawhorses to dry under the sun. After I returned home there have been grass cuttings everywhere! As I vanished my garden enthusiast mowed the rear lawn tossing grass all on my small freshly colored wood. My mistake came after i assumed that picking from the grass made my piece ready for any second coat. In hindsight I ought to have allow it to dry a minimum of each day, sanded very well after which placed on another coat busbar cutting machine. Rather than sanding I went on using the second coat. Obviously it never really smoothed out like I'd wished. A couple of times of third, 4th and fifth jackets later I removed the entire factor coupled with to begin again.
Ive discovered that each DIY project includes its very own group of complications, states Alvarez Demalde hydraulic busbar bending. From individuals complications arise a larger understanding towards the medium by which your working press bending machine. Wood for instance is simpler to utilize than say aluminum, but wood is clearly less rigid. Selecting a material and understanding the preferred outcome before you begin is vital. Bettasso recognizes that lesson perfectly, she states, Initially when i first mentioned doing DIY projects by myself, I understood I'd a fairly steep mountain to climb. I wasnt exactly well experienced with what tools were perfect for which project, nor did I understand how the various tools labored. The very first time I recognized it was after i required to rip a sheet of 4x8 plywood. Since I Have had used a circular saw a couple of occasions, I grabbed it making my mark. The objective was straight, but my cut wasn't. Works out that with no guide a circular saw is tough to cut an upright line with! Alvarez Demalde chuckled as he heard Bettassos novice mistake, he states, I really like hearing tales like this. It is not that lengthy ago that everyone was at her footwear. Everybody discovers best by doing and often the easiest method to learn is as simple as mistake.
Certainly one of my rookie mistakes was planning for paint on the finished surface. It had been certainly one of my first projects and that i understood that multiple jackets were essential for sturdiness. The very first coat continued easily. I left for that store to obtain a couple of supplies and left my piece outdoors located on sawhorses to dry under the sun. After I returned home there have been grass cuttings everywhere! As I vanished my garden enthusiast mowed the rear lawn tossing grass all on my small freshly colored wood. My mistake came after i assumed that picking from the grass made my piece ready for any second coat. In hindsight I ought to have allow it to dry a minimum of each day, sanded very well after which placed on another coat busbar cutting machine. Rather than sanding I went on using the second coat. Obviously it never really smoothed out like I'd wished. A couple of times of third, 4th and fifth jackets later I removed the entire factor coupled with to begin again.
Cameron Vows to examine Compensation for Veterans Suffering Asbestos-Related Disease
With a lot of sufferers and around 2,500 deaths every year, mesothelioma cancer
is really a devastating disease. Brought on by contact with asbestos dust, this
type of cancer of the lung is frequently observed in upon the market industry
employees and individuals who offered within the war. The condition frequently
arises decades following the initial exposure. So why do, then, the current
compensation for veterans with mesothelioma cancer is almost 150,000 under
others would receive? This was addressed to the own Pm lately. Work MP Dave
Anderson challenged PM David Cameron not lengthy following the Independent made
obvious precisely how drastic the space in compensation was, that also motivated
former military leaders and repair non profit organizations to demand action.
Current laws and regulations safeguard the Secretary of state for Defence from
being accused of compensation for just about any illness or injuries caused
before 1987. Because of mesothelioma cancer showing up decades after initial
exposure, this leaves individuals presently struggling with the condition
determined by a significantly smaller sized war pension.
The government authorities current compensation plan for ordinary people sees a 63-years old get a lump sum payment of 180 cnc busbar machine,000, while individuals struggling with mesothelioma cancer typically receive just 31,000 annually. However, the Pm is placed to examine how mesothelioma cancer sufferers are compensated, in news that's been broadly well-received. Chris Simpkins, director general from the Royal British Legion. mentioned the gap in compensation is really a obvious breach from the Military Covenant. We anticipate the federal government coming forward having a solution soon. Rhod Palmer busbar bending machine, a 62-year-old upon the market commodore, was identified with mesothelioma cancer captured. He mentioned that It might be terrific when the Pm introduced his full weight to deal with about them and ensured that Service people with mesothelioma cancer, current and not simply future claimants, could be correctly compensated and never disadvantaged compared to civilian sufferers of asbestos. Fred Minall would be a mechanical engineer within the Royal Navy between 1957 and 1965.
Another sufferer from the disease, he stated that Those who are presently suffering this dreadful disease have offered the nation, they should be treated like several people plus they shouldn't be left within the understanding they'll most likely die prior to the Government is going to do the honourable factor. Such suffering further highlights the emergency of overview of the compensation plan, along with an estimate from Madeleine Moon MP, part of the Commons Defence Select Committee: Sadly time is this is not on along side it of individuals who have been uncovered to . The PM must provide a firm dedication to bring RN personnel in to the same compensation plan as ordinary people. We are able to only agree strongly with your sentiments at Trident Surveying. The risks of exposure to asbestos are too real, and that's why we're devoted to supplying reliable and professional asbestos surveying. We offer an array of services, including and asbestos air testing copper busbar shearing punching machine.
The government authorities current compensation plan for ordinary people sees a 63-years old get a lump sum payment of 180 cnc busbar machine,000, while individuals struggling with mesothelioma cancer typically receive just 31,000 annually. However, the Pm is placed to examine how mesothelioma cancer sufferers are compensated, in news that's been broadly well-received. Chris Simpkins, director general from the Royal British Legion. mentioned the gap in compensation is really a obvious breach from the Military Covenant. We anticipate the federal government coming forward having a solution soon. Rhod Palmer busbar bending machine, a 62-year-old upon the market commodore, was identified with mesothelioma cancer captured. He mentioned that It might be terrific when the Pm introduced his full weight to deal with about them and ensured that Service people with mesothelioma cancer, current and not simply future claimants, could be correctly compensated and never disadvantaged compared to civilian sufferers of asbestos. Fred Minall would be a mechanical engineer within the Royal Navy between 1957 and 1965.
Another sufferer from the disease, he stated that Those who are presently suffering this dreadful disease have offered the nation, they should be treated like several people plus they shouldn't be left within the understanding they'll most likely die prior to the Government is going to do the honourable factor. Such suffering further highlights the emergency of overview of the compensation plan, along with an estimate from Madeleine Moon MP, part of the Commons Defence Select Committee: Sadly time is this is not on along side it of individuals who have been uncovered to . The PM must provide a firm dedication to bring RN personnel in to the same compensation plan as ordinary people. We are able to only agree strongly with your sentiments at Trident Surveying. The risks of exposure to asbestos are too real, and that's why we're devoted to supplying reliable and professional asbestos surveying. We offer an array of services, including and asbestos air testing copper busbar shearing punching machine.
2016年4月22日星期五
On CeBIT 2016, Airwheel released its first intelligent service wheeled robot S9
The annual event will attract world known businesses to go to and lead the
annual electronic devices industrys technology trends cnc punching machine. On
CeBIT 2016, Airwheel has demonstrated its previous popular items, for example,
the Airwheel X series, Q series, S series, A set, Z series and M series.
Airwheel will embrace new people adding vitality into its big family, and it is
latest R & D accomplishments including four number of six new items,
especially its first wheeled robot S9 two wheeled self-balancing robot (Booth
No.: Hall 17-H06).
It further proves the Airwheels strength in R & D and rapid productization. The launch of Airwheel S9 intelligent wheeled mobile robot shows the expansion trend for AirwheelArtificial intelligence. Whenever we discuss Artificial intelligence, some might believe that it's nothing related to their daily existence. However, the current chess competition between AlphaGo and Lee Se-department of labor, among the world's top gamers captures the mobile phone industry's attention. The AlphaGo's wins were seen as an landmark moment for artificial intelligence, that has caused a sensation within the society. Really, the large data, cloud computing, artificial intelligence and Internet of products happen to be carefully associated with our way of life. This Airwheel S9 two wheeled intelligent robot, in line with the self-balancing product is something robot.
With the built-in laser radar and auditory acquisition system, it accomplishes human-computer interaction combined using the GPRS, Wireless and network base stations along with other integrated positioning systems, it may realize the automated obstacle avoidance, path planning along with other functions. Latter, it will likely be appropriate for additional usage situations by plug-ins, software upgrades along with other ways. Because the leader in global portable intelligent transport industry, Airwheel makes full utilisation of the CeBIT 2016 to showcase its self-balancing electric scooters and most importantly press bending machine, its latest R & D accomplishments including four number of six new items worth your attention (Booth No.: Hall 17-H06) bus bar bending machine. Media Contact Business Name:BMC www.busbarmc.com
It further proves the Airwheels strength in R & D and rapid productization. The launch of Airwheel S9 intelligent wheeled mobile robot shows the expansion trend for AirwheelArtificial intelligence. Whenever we discuss Artificial intelligence, some might believe that it's nothing related to their daily existence. However, the current chess competition between AlphaGo and Lee Se-department of labor, among the world's top gamers captures the mobile phone industry's attention. The AlphaGo's wins were seen as an landmark moment for artificial intelligence, that has caused a sensation within the society. Really, the large data, cloud computing, artificial intelligence and Internet of products happen to be carefully associated with our way of life. This Airwheel S9 two wheeled intelligent robot, in line with the self-balancing product is something robot.
With the built-in laser radar and auditory acquisition system, it accomplishes human-computer interaction combined using the GPRS, Wireless and network base stations along with other integrated positioning systems, it may realize the automated obstacle avoidance, path planning along with other functions. Latter, it will likely be appropriate for additional usage situations by plug-ins, software upgrades along with other ways. Because the leader in global portable intelligent transport industry, Airwheel makes full utilisation of the CeBIT 2016 to showcase its self-balancing electric scooters and most importantly press bending machine, its latest R & D accomplishments including four number of six new items worth your attention (Booth No.: Hall 17-H06) bus bar bending machine. Media Contact Business Name:BMC www.busbarmc.com
Help Locate Sage 50 Company File And Become Quickbooks
Sage 50 to QuickBooks Conversion Support And Help Are you currently intending to
proceed to QuickBooks with all of documents and knowledge out of your previous
accounting vendor Sage 50? There are several complexities in the manner, as Sage
50 hasn't got any default tools to help you accomplish the file conversion by
yourself. Two industry-based accounting software suites Sage 50 (formerly
referred to as Simply Accounting) and Intuits QuickBooks are database-supported
accounting software suites copper
busbar shearing punching machine, which could have a lot of amazing features
and programs to satisfy accounting needs copper
busbar bending machine.
The program packages may be easily associated with invoices and receipts, and a / r data with impending repayments. Find out more at Sage 50 Cannot Connect With Your Sage 50 Company Data Location Is the Sage 50 Account no longer working correctly? Are you currently not able to spread out company files saved on Sage 50? Possibly busbar machine, some intricacies came in the manner of the accounting activities. Dont get panic, heres a strategy to resolve the issues easily. Fortunately, you've got a great choice to gain access to expert tech support team for Sage 50, supplying accurate and licensed tech support team to deal with a mistake message Sage 50 cannot connect with your Sage 50 company data location, [location path]. If you want Sage 50 assistance to locate company data location, you best achieve to a licensed specialist and get him/her that will help you overcome the mistake.
The program packages may be easily associated with invoices and receipts, and a / r data with impending repayments. Find out more at Sage 50 Cannot Connect With Your Sage 50 Company Data Location Is the Sage 50 Account no longer working correctly? Are you currently not able to spread out company files saved on Sage 50? Possibly busbar machine, some intricacies came in the manner of the accounting activities. Dont get panic, heres a strategy to resolve the issues easily. Fortunately, you've got a great choice to gain access to expert tech support team for Sage 50, supplying accurate and licensed tech support team to deal with a mistake message Sage 50 cannot connect with your Sage 50 company data location, [location path]. If you want Sage 50 assistance to locate company data location, you best achieve to a licensed specialist and get him/her that will help you overcome the mistake.
订阅:
博文 (Atom)