激光堆焊层体现出良好的抗磨性能，比高速钢的耐磨性提高42.6%。

Laser build-up welding had shown good wear resistance, increased by 42.6% than that of high-speed steel.

youdao

激光堆焊层体现出良好的抗磨性能，比高速钢的耐磨性提高42.6%。

Laser build-up welding had shown good wear resistance, increased by 42.6% than that of high-speed steel.

youdao