订明配料的混凝土 prescribed mix concrete

照明配电盘 lighting panel ; illuminated diagram switch board ; lighting switchboard ; light panel

照明配电箱 lighting distribution box ; Lighting ; light distribution box ; lighting power distribution panel

应急照明配电箱柜 ALE

低压照明配电箱柜 AL

照明配件 lighting fitting ; fitting

照明配线盘 lighting panel

应急照明配电箱 AEL Emergency Light ; emergency lighting distribution box ; switch board for fire emergency lighting

事故照明配电设备 emergency lighting distribution equipment

照明配电板 illuminated diagram switchboard