lulao 发表于 2014-8-9 22:30:55

ASTM A1017/A1017M-05 Standard Specification for Pressure Vessel Plates, Alloy St

ASTM A1017/A1017M-05 Standard Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum-Tungsten

admin 发表于 2014-8-11 11:24:21

谢谢您的分享，金币已奖励。
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