lpine 发表于 2014-10-11 17:08:41

ASSMT E280-10

ASMT E280-10 Standard Reference Radiographs for Heavy-Walled (41⁄2 to 12-in. (114 to 305-mm)) Steel Castings

admin 发表于 2014-10-12 21:23:47

谢谢您的分享，金币已奖励
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