随着激光扫描速度的增加，硬化区硬度和耐磨性增大。

With the scanning speed going up, the hardness and the wear - resisting property are improved.

youdao

随着激光扫描速度的增加，硬化区硬度和耐磨性增大。

With the scanning speed going up, the hardness and the wear - resisting property are improved.

youdao