zzcnhic 发表于 2017-6-28 16:14:53

ASTM G77 − 05 (Reapproved 2010)

ASTM G77 − 05 (Reapproved 2010)
Standard Test Method for
Ranking Resistance of Materials to Sliding Wear Using
Block-on-Ring Wear Test

admin 发表于 2017-7-3 11:47:57

谢谢您的分享,金币已奖励!
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