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無(wú)數(shù)次返工,,是設(shè)計(jì)錯(cuò)誤還是工藝問(wèn)題 |
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點(diǎn)評(píng)
熱處理妥妥的變形沒(méi)商量,。。,。,。。,。精加工后再熱處理,,樓主你怎么想的?
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