应急转换开关  emergency commutator switch

转接开关-转换开关  Transfer rate

火灾应急照明  emergency lighting system in a fire accident

火灾应急照明设计  Design of Fire Emergency Lighting

民用建筑应急照明设计  Design of Emergency Lighting for Civil Building

消防应急照明  fire emergency lighting; fire control emergence illumination

消防应急照明系统  emergency lighting for fire protection

应急开关  intervention switch; breakdown switch; emergency switch

应急开关备用开关  emergency switch

应急照明  emergency lighting; emergence illumination; antipanic lighting; emergency lightning; emergence exit light

应急照明灯  emergency lantern

应急照明灯具  emeryeney inminaires

应急照明电机  emergency light set

应急照明电源  Power Supply for Emergency Lighting; emergency illumination power source

应急照明控制  Emergency Lighting control

应急照明配电盘  emergency lighting switchboard

应急照明配电设备  emergency lighting distribution equipment

应急照明配电箱  emergency lighting distribution box

应急照明设备  emergency lighting set