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| 冷作模具钢 (【技】适于冷作模具用的工具钢。冷作模具钢应具有高硬度和耐磨性、高强度和疲劳强度、足够的韧性。同时还应具有良好的可锻性、切削加工性、淬透性、淬硬性及热处理变形小等特性。) | |||
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