7542| 20
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这样的深槽怎么加工,大批量、45钢 |
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点评
不好意思是“机夹刀片式”
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Archiver|手机版|小黑屋|机械社区 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
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