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关于双层焊管几种制管缺陷分析
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作者 李雯 《梅山科技》 2012年第5期21-23,31,共4页
在简要介绍双层焊管性能特点及其生产工艺的基础上,针对双层焊管制管过程中易出现的拉断、分层、端面冲压开裂等几种制管缺陷的表观特点进行描述,并从钢带性能、组织及制管设备受力情况几方面对缺陷产生原因进行分析,给出相关建议。
关键词 双层焊管 制管缺陷 分析
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Product Defect Management of Children's Toys Made in China——A renection on the two-year implementation of Children's toys recall system
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作者 Wang Huiping 《China Standardization》 2009年第5期31-39,共9页
The Management Regulations on Recallof Children's Toys is a recall system based onthe Management Regulations on Recall of MotorVehicles in China.During its two years,the children'stoy recall management system ... The Management Regulations on Recallof Children's Toys is a recall system based onthe Management Regulations on Recall of MotorVehicles in China.During its two years,the children'stoy recall management system has helped toprevent and eliminate damage caused by defectivechildren's toys.It has also helped to protect children'shealth and safety,safeguard public safetyand interest,and improve toy manufacturers' productquality and safety awareness.However,due tothe small scale of most Chinese toy manufacturers,and the low standard of management,more effort isneeded from government departments and thecommunity to improve the recall system. 展开更多
关键词 toy recall quality and safety status analysis
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