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

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%。

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

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%。

youdao