power-driven pump

例句：

1. 1. The power-driven pump is used to pump water from the well.
   动力泵用于从井中抽水。
2. 2. The power-driven pump was installed in the factory's main building.
   动力泵被安装在工厂的主楼里。
3. 3. The power-driven pump is more efficient than manual pumps.
   动力泵比手动泵更高效。