6090| 10
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車削加工到工件中心粗糙度為什么不好? |
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點評
中心點還能好點,刀尖就把尖點擠平了
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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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