6269| 10
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CBN砂輪磨削問題 |
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點評
1、CBN砂輪轉速7000rpm 算高嗎? 2、CBN砂輪轉速7000rpm 太高了吧!
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
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