lighting switchgear

例句：

1. 1.The lighting switchgear is responsible for controlling the brightness of the room lights.
   照明开关设备负责控制房间灯光的亮度。
2. 2.The new lighting switchgear has a sleek design and is easy to install.
   新型照明开关设备设计简洁，易于安装。
3. 3.The lighting switchgear was designed to improve energy efficiency in homes.
   照明开关设备被设计来提高家庭能源效率。