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三維機械圖紙求問 |
點評
如果你是加工方,就向設計要圖紙,不要擔這個責
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小黑屋|手機版|Archiver|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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