emergency light system meaning in English
紧急照明系统
Examples
- Specification for automatic change - over contactors for emergency lighting systems
紧急照明系统用的自动转换接触器规范 - Emergency lighting system
应急照明系统 - Low - voltage switchgear and controlgear for industrial use - automatic change - over devices for emergency lighting systems
工业用低压开关设备和控制装置.应急照明系统用自动转换装置