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case-hardened steel

渗碳钢；表面渗碳硬化钢；表面硬化钢

1、表面硬化钢

...表面硬化 case hardening表面硬化钢 case-hardened steel表达方式 presentation ...

case-hardened bearing steel表面硬化轴承钢

case-hardened mild steel表面硬化中碳钢

case-hardened mild steel detail表面硬化中碳钢

能源科学技术

交通运输工程

机械工程

n.steel with a surface that is much harder than the interior metal

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