楼主: 五花肉
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加工密密麻麻的0.1mm的孔,用电子束、电火花还是激光好,哪个成本更低呢? |
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小黑屋|手机版|Archiver|机械必威体育网址 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
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