点蚀的 meaning in Chinese

pitted

Cavitation pitting evaluation in hydraulic turbines , storage pumps and pump - turbines - part 2 : evaluation in pelton turbines
水轮机蓄水泵和泵轮机气穴点蚀的评价.第2部分:水斗式水轮机的评价
Standard practice for measuring intergranular attack or end grain pitting on metals caused by aircraft chemical processes
测量由于飞行器化学处理引起的对金属的粒间冲击或端面晶粒点蚀的标准实施规范