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这个零件谁能加工,并识图? |
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hi,不地道,机械群的人还拿这个东西来考验我们
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Archiver|手机版|小黑屋|机械社区 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
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