zzcnhic 发表于 2017-6-20 22:50:52

ASTM G14 − 04 (Reapproved 2010)e1

ASTM G14 − 04 (Reapproved 2010) e1 Standard Test Method for Impact Resistance of Pipeline Coatings (Falling Weight Test)

admin 发表于 2017-6-21 10:35:28

谢谢您的分享,金币已奖励!
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