low voltage switchgear

例句：

1. 1.The low voltage switchgear is designed to protect electronic equipment from short circuits.
   低电压开关设备设计用来保护电子设备免受短路。
2. 2.The new low voltage switchgear has improved efficiency and reduced maintenance costs.
   新型低电压开关设备的能效提高了，维护成本也降低了。
3. 3.The power supply system uses low voltage switchgear to ensure safe operation of the entire electrical network.
   供电系统使用低电压开关设备来确保整个电气网络的安全运行。