15909| 44
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淺談我國數控機床精度與國外的差距 |
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點評
超高精度、或者長度非常長的的都是人工磨得,機器達不到
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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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