8115| 29
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忽然意识到工装和夹具才是最难的设计 |
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点评
很久没上机械社区了么
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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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