supply-water pump

例句：

1. 1.The supply-water pump is essential for the operation of the irrigation system.
   供水水泵是灌溉系统运行所必需的。
2. 2.The water pump is responsible for moving water from the well to the house.
   水泵负责将水从井中输送到房子里。
3. 3.The new water pump has significantly improved the efficiency of the irrigation system.
   新的水泵大大提高了灌溉系统的效率。