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最近加工一批电机主轴45#调质HRC28-32°,端面加工3个直径3.0+0.012精度的平底盲 |
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Archiver|手机版|小黑屋|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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