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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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。

youdao