lotus999 发表于 2014-12-7 16:12:41

ASTM F2328M-07(2014) Decarburization in Hardened Threaded Steel Bolts

ASTM F2328M-07(2014) Decarburization in Hardened Threaded Steel Bolts

admin 发表于 2014-12-8 11:10:43

谢谢您的分享，金币已奖励

gowyng 发表于 2015-3-31 09:33:20

感謝分享！！！！！！！！！！！

m1ralf 发表于 2015-6-3 11:03:11

thank you~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

ygs67 发表于 2015-7-3 15:17:15

多谢分享！                        
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