a1s2d3f4 发表于 2015-3-26 16:37:14

ASTM D3198-1997 Standard Test Method for Application and Removal Torque of Threa

ASTM D3198-1997 Standard Test Method for Application and Removal Torque of Threaded or Lug-Style Closures






admin 发表于 2015-3-27 08:48:58

谢谢您的分享,金币已奖励!
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