luminaire
灯具
照
光源
光
照闷
灯具距离
照明器具
发光体
照明器
光黄素
全套照明装置
泛光灯
灯贝效率
发光设备
照明设备
luminaire layout along circle
luminaire light output ratio
luminaire limitation curve
luminaire of led-based projection
luminaire standards system
luminaire with non replaceable light source
mounting height of luminaire
reflected light luminaire