发光系统 meaning in English

ignition system

Emergency lighting - code of practice for non - electrical low mounted way guidance systems for emergency use - photoluminescent systems
应急照明设备.应急用非电气的低处安装的路线引导系统实施规程.光致发光系统
Traffic bollard and pedestrian warning sign traffic bollard and pedestrian warning sign are made by mdpe with excellent impact strength and stabilized ultra violet
本系列产品采用高强度、优质材料制造，装有独立发光系统，具有耐冲击和防漏电功能，