yixiaoxiao 发表于 2017-5-27 14:08:53

ASTM A27/A27M-95

ASTM A27/A27M-95
Standard Specification for Steel Castings, Carbon,for General Application

admin 发表于 2017-5-27 16:45:20

谢谢您的分享,金币已奖励!
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