热处理工艺对铸造3Cr2MoWVNi热锻模具钢冲击韧度和硬度的影响
열처리공예대주조3Cr2MoWVNi열단모구강충격인도화경도적영향
Efects of Heat Treatment Process on Impact Toughness and Hardness of the Cast 3Cr2MoWVNi Hot-woek Die Steel
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