应急照明干线 WEM

应急照明分支线 WE

紧急照明 Emergency Light ; emergency lighting fixture

应急照射 emergency exposure

紧急照明设备 emergency lighting

应急照明配电箱柜 ALE

应急照明灯 emergency light ; XD-YZL-S ; DT-ZM-TA ; XD-LEDF-S

应急照明支线 WEM

应急照明时间 min ; Lighting time in emergency ; Emergency Lighting Time

紧急照明系统 Emergency Lighting Systems ; Emergency Light System