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45#钢热处理,抗拉强度≥790MPa、屈服强度≥517MPa,采用调质处理,能达这个性能么? |
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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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