19045| 63
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看似簡單,卻做不出來 |
點評
買管料加工,外徑與內孔都要加工,現在加工出來內孔變大了,一夾就變形
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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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