thyy 发表于 2015-1-15 17:01:53

ASTM A592-A592-10 Standard Specification for High-Strength Quenched and Tempered

ASTM A592-A592-10 Standard Specification for High-Strength Quenched and Tempered Low-Alloy Steel Forged Parts for Pressure Vessels



admin 发表于 2015-1-15 18:13:53

谢谢您的分享，金币已奖励

yangwm 发表于 2015-1-15 21:37:10

谢谢分享！！！！！！！

2013 发表于 2015-1-15 23:00:13

谢谢分享！！！！！！！！！！！！！！！

ww_dadi 发表于 2017-7-13 09:02:25

好东西，好东西，在找着个
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