centrally connected power source

例句：

1. 1. The new power source is expected to significantly reduce energy consumption.
   新的电源预计能显著减少能源消耗。
2. 2.The company's centrally connected power source is the key to its success.
   公司的中央连接电源是其成功的关键。
3. 3. The power source was centrally connected to the mains, ensuring that the lights would stay on even during a power outage.
   电源被中央连接至主线路，即使在停电期间也能保证灯光持续亮着。