lybro 发表于 2009-7-23 08:49:23

ASTM A 143-2003 热浸镀锌结构钢制品防脆裂措施和探测脆裂

ASTM A 143-2003 Standard Practice for Safeguarding Against Embrittlement of Hot-Dip Galvanized Structural Steel Products and Procedure for Detecting Embrittlement
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