miaxu 发表于 2015-1-30 11:27:14

ASTM D 5183-2005

ASTM D 5183-2005 Standard Test Method for Determination of the Coefficient of Friction of Lubricants Using the Four-Ball Wear Test Machine

miaxu 发表于 2015-1-30 11:35:53

忘记添加附件了:L！！！！！！！！！

admin 发表于 2015-1-30 11:54:21

谢谢您的分享,金币已奖励
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