8990| 20
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图上直径为30mm和40mm内孔该如何加工 |
我还真没见过这样的图纸
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点评
顾老师,他这图的30和40连直径符号都木有啊
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点评
使用成型刀
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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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