由在窗户顶部被与墙面平行的挡板遮蔽的光源组成的照明系统。

由在窗户顶部被与墙面平行的挡板遮蔽的光源组成的照明系统。的英文翻译

基本释义

• Lighting system comprising light sources shielded by a panel parallel to the wall at the top of a window.