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錐形孔加工問題 |
評分
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點(diǎn)評
大俠請教一下,你說的先鉆后鉸,是采用帶錐度的鉆頭和鉸刀嗎?有這種鉆頭和鉸刀嗎?有的話有這種規(guī)格嗎?我不太了解加工,從網(wǎng)上沒找到這種鉆頭。
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