5388| 27
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大神们快来报给我看下尺寸标注 |
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点评
两个控制公差特征是采用不去除材料加工,其他的需要机加工?
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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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