9531| 6
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普車精加工和粗加工應(yīng)選擇的切削速度是多少,? |
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點(diǎn)評(píng)
你說的很對(duì)啊,呵呵總算有明眼人了~~~~(>_<)~~~~
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點(diǎn)評(píng)
這個(gè)的確是憑感覺的,,但是在學(xué)校學(xué)習(xí)能碰到多少次機(jī)床,?感覺多少回?
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