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雙頭內螺紋如何加工?只有普車C6140車床 |
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點評
別弄太復雜了 這東西就用小托板分度就足夠了
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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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