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急尋數控鏜床加工。45#鋼,加工孔直徑40,兩端距離800.直徑精度0.02。具體提供圖... |
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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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