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熱處理供方熱處理后檢測機(jī)械尺寸嗎,? |
點(diǎn)評(píng)
為什么呢?麻煩解釋下,,謝謝
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點(diǎn)評(píng)
為什么呢,?麻煩解釋下,,謝謝
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點(diǎn)評(píng)
有些熱處理后無加工工序的,,比如氮化
為啥氮化后不能加工?,?,?
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