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螺栓防銹歷險(xiǎn)記 |
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學(xué)習(xí)了,這段文字翻譯自ASM材料手冊(cè)
GS級(jí)也沒(méi)有熱鍍鋅的一半壽命,最好的鍍鋅(不是鋅鎳合金),鹽霧測(cè)試也就100+小時(shí),熱鍍鋅500+小時(shí)閉著眼睛通過(guò)
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