oil hardening meaning in English
油淬火
油淬硬化
油的硬化；油的氢化
油冷淬火
油硬化法
Examples
- Steel wire for mechanical springs - oil hardened and tempered spring steel wire
机械弹簧钢丝.油硬化和回火的弹簧钢丝 - Steel wire for mechanical springs - part 2 : oil hardened and tempered spring steel wire
机械弹簧用钢丝.第2部分:油淬火和回火弹簧钢丝 - Steel wire for mechanical springs - part 2 : oil hardened and tempered spring steel wire ; german version en 10270 - 2 : 2001
机械弹簧钢丝.第2部分:油淬火和回火弹簧钢丝