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精密機加工零件分享---航空篇 |
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點評
和我想一塊了,但是這個成本和效率估計是各問題
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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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