The results show that, the laser treated layer includes surface melted layer, overheating layer and transformation hardening layer.
结果表明，激光处理层分三层：熔凝层、过热层和相变硬化层。
The results show that, the laser treated layer includes surface melted layer, overheating layer and transformation hardening layer.
结果表明，激光处理层分三层：熔凝层、过热层和相变硬化层。
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