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CBN砂轮磨削问题 |
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点评
1、CBN砂轮转速7000rpm 算高吗? 2、CBN砂轮转速7000rpm 太高了吧!
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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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