3555| 12
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请问焊接下料件上的直径60吊装孔,用火焰切割还是上镗铣床加工合适? |
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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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