美国材料实验协会的工作小组就事件数据，数据分析及专家意见去确定磁石的要求。
ASTM workgroup using the incident data, date analysis, expert opinions and other information to determine the magnet requirements.
但是，根据美国材料实验协会固定，金属对金属球体出厂的最大误差不能超过5mm。
However, the maximum initial allowable departure from a sphere for metal-on-metal hip implants is specified as 5 mm by ASTM F2033.
下表以美国材料实验协会ASTMD 2855“聚氯乙烯（PVC）管道和管件液状粘固剂连接标准规程”有关标准制定。
The following table is based on the guidelines of ASTM D 2855, "Standard Practice for Making Solvent-Cemented Joints with Poly Vinyl Chloride (PVC) Pipe and Fittings".
下表以美国材料实验协会ASTMD 2855“聚氯乙烯（PVC）管道和管件液状粘固剂连接标准规程”有关标准制定。
The following table is based on the guidelines of ASTM D 2855, "Standard Practice for Making Solvent-Cemented Joints with Poly Vinyl Chloride (PVC) Pipe and Fittings".
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