9881| 19
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直徑1.6mm孔,孔深5mm,粗糙度0.8,用什么方法加工,謝謝各位指點 |
點評
孔深5mm,應該是盲孔哦。
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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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