火焰加热表面淬火
- 网络flame case hardening; surface hardening by flame heating
火焰加热表面淬火火焰加热表面淬火
flame case hardening
专业灯饰英语 ... fixed 固定的 flame case hardening 火焰加热表面淬火 flow 流量 ...
surface hardening by flame heating
... surface hardening 表面硬化 surface hardening by flame heating 火焰加热表面淬火 surface hardening rail 顶面硬化钢轨 ...