2369| 4
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整型的产品从25mm到19mm,外圆公差为0.3mm以内,孔如何设计,倒角为多大。 |
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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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