turn signal/hazard light switch是什么意思

用法例句

An automatic control system for vehicle hazard lamp is developed,which can automatically switch on the hazard lamp during emergency braking and switch it off when the hazard is eliminated.

开发了汽车危险信号灯自动控制系统,此系统能在车辆紧急制动时,自动打开危险信号灯,并在危险排除后关闭,系统可靠、经济并且不需要对原车设计进行更改。