electrical pressure pump

例句：

1. 1. The electrical pressure pump is used to remove water from the underground pipelines.
   电动压力泵用于从地下管道中移除水。
2. 2. The electrical pressure pump is an essential tool for maintaining the cleanliness of the water supply system.
   电动压力泵是保持供水系统清洁的必备工具。
3. 3. The electrical pressure pump was installed in the factory to improve the efficiency of the production process.
   在工厂安装电动压力泵以提高生产效率。