3333| 7
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加工螺纹M6x1,原先底孔钻是5.0加工的,现在用5.1的加工。。。 |
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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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