8381| 21
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请问工件的加工工序,谢谢啦 |
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点评
两个对称的孔是不能线割的,中间有个立柱挡住钼丝通过。。
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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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