The big area laser transformation hardening must adopt the methods of facular joint in giving priority to attrition, and the tempering zone can't be avoided in the joint.
以提高耐磨性为主的大面积激光相变硬化必须采用光斑搭接方法，在搭接处的回火带是不可避免的。
The big area laser transformation hardening must adopt the methods of facular joint in giving priority to attrition, and the tempering zone can't be avoided in the joint.
以提高耐磨性为主的大面积激光相变硬化必须采用光斑搭接方法，在搭接处的回火带是不可避免的。
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