4871| 8
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大家看看這個零件的表面凸點是怎么加工的 |
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點評
車床滾花,都是滾把手一類的。手拿著防滑。
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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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