4530| 6
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關于內齒圈加工的問題 |
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點評
沒問題,L5140這類拉床價格應該在70萬左右吧,精度靠拉刀來保證
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Archiver|手機版|小黑屋|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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