power switchgroup

例句：

1. 1. The engineers were working on the power switchgroup to ensure it was functioning properly.
   工程师们正在检查电源开关组以确保其正常工作。
2. 2. The new power switchgroup has improved efficiency and reduced energy consumption.
   新的电源开关组提高了效率并减少了能源消耗。
3. 3. The power switchgroup is responsible for controlling the flow of electricity in homes and businesses.
   电源开关组负责控制家庭和企业中电力的流动。