5391| 14
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3000mm长轴料,直径120mm,请教加工方法 |
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发表于 2013-3-2 19:59:13
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小黑屋|手机版|Archiver|机械社区 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
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