etch pits
英
美
- etch v.蚀刻;铭刻;鲜明地描述;流露出
- pits n.凹点;坑名词pit的复数形式.
- The corrosion pits on the blade surface contributed to such failure as an additive factor.
叶片表面的腐蚀坑是其疲劳断裂的另一促进因素。
- The damage of sub-surface was very similar to the damage of the surface, mainly with a few oxidation eroding pits.
次表层上主要分布着少量细小的氧化腐蚀坑,次表层和表层的失效非常吻合。