4012| 17
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求此产品的加工工艺 |
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点评
做套工装夹具放车床上钻孔行不行?
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点评
有3000件就应该做粉末冶金
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小黑屋|手机版|Archiver|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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