5668| 11
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求教盤類零件機加工藝問題 |
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點評
看圖要認真,說了要鉆鉸的,第六步。
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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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