tempered spring meaning in Chinese

回火的弹簧

Hot - rolled wire rod for quenched and tempered springs
油淬火-回火弹簧钢丝用热轧盘条
Hot rolled steels for quenched and tempered springs
淬火和回火弹簧用热轧钢
Process features characteristic of induction heat oil tempered spring wire
感应加热油淬火-回火线材特点
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
Hot rolled steels for quenched and tempered springs - technical delivery conditions
淬火和回火弹簧用热轧钢.交货技术条件

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