2160| 6
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用龍門鉆床鉆孔加工參數 |
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點評
請問計算加工工時,常用切削速度還是主軸轉速來計算
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小黑屋|手機版|Archiver|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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