单词	胡佛水壩
释义	胡佛水壩1. Hoover Dam
随便看	safety testing safety thread safety time safety to fuse safety tongs safety touch safety traffic safety training safety tread safety trip safety--trip safety trip level safety tube safety valve safety-valve safetyvalve safety valve easing gear safety valve easing gear; safety valve lifting gear safety valve (hydraulic) safety valve(hydraulic) safety valve[hydraulic] safety valve lifting gear safety valve lifting gear--safety valve easing gear safety valve of deaerator safety valve operating test ； safety valve adjustment