hard surfacing
英汉例句
- Hard surfacing of abrasion resisting mechanical parts.
堆焊要求耐磨的机械部件。 - The sound of a sharp tap on a hard surface;a rap.
敲击声在坚硬的表面上的急促敲击的声音;敲击声 - Teeth have a hard surface layer called enamel.
牙齿有一层叫做釉质的坚硬表层。 - Hard surfaces can cause unwanted reverberation.
坚硬的表面可产生不必要的混响。 - The sound of a sharp tap on a hard surface; a rap.
敲击声:在坚硬的表面上的急促敲击的声音;敲击声。