2595| 7
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国外图纸显示有根轴的材料为1C60,看着像60#钢,请问各位大拿它是不是指60#钢? |
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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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