兑水 发表于 2009-9-5 21:24:40

ASTM A 239-1995 用普力斯试验法确定铁或钢制品上镀锌层最薄点

A239-95(1999) Standard Practice for Locating the Thinnest Spot in a Zinc (Galvanized) Coating on Iron or Steel Articles
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