兑水 发表于 2009-10-15 08:16:39

ASTM D 5183-2005 用四球磨损试验机测定润滑剂磨擦系数的测...

D5183-95(1999)e1 Standard Test Method for Determination of the Coefficient of Friction of Lubricants Using the Four-Ball Wear Test Machine
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