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激光淬火 jīguāng cuìhuǒ
gen. laser-quenching
met. laser quenching (【技】采用高能量激光束作为热源,对工件局部进行极快速加热使其奥氏体化,随后移开激光束,使工件实现自冷淬火的热处理工艺。)
space laser transformation hardening; laser hardening