2712| 5
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求助!磨立銑刀和鉆頭的要領和方法 |
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點評
立銑刀和鉆頭等刀具刀角了解先,再談動手之事。
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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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