永久性标记 meaning in English
permanent marker
permanent marking
Examples
- Semiconductor devices - mechanical and climatic test methods - permanence of marking
半导体器件.机械和气候试验方法.永久性标记 - Laser marking is a kind of technique of marking permanent mark on the objective surface by using laser beam with high density
激光打标是利用高能量密度的激光束在物件表面制作永久性标记。