4358| 11
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請(qǐng)問沖壓模具表面是如何處理的 |
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點(diǎn)評(píng)
最好別用酸洗,酸洗后續(xù)處理不好會(huì)馬上生銹,,而且銹的更快,。還是用砂紙之類的慢慢處理吧,
或者電鍍?cè)賹?duì)刃口涂油處理
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