• 1. laser build-up welding: 激光堆焊接头

• 1.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%。
  dict.yoduao.com

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