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CNC真空吸盘重切削试验 45#钢400*270*6mm 切削深度1.5 转速1000进给600 |
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小黑屋|手机版|Archiver|机械必威体育网址 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
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