lead circulating pump

例句：

1. 1. The lead circulatingpump is essential for maintaining the water levelin the reservoir.
   导流泵对于保持水库水位至关重要。
2. 2. The lead circulation pump helps todistribute the water evenly throughout the system.
   导流泵有助于将水均匀地分布在整个系统中。
3. 3. The lead circulation pump was designedto improve efficiency and reduce energy consumption.
   导流泵的设计旨在提高效率和减少能源消耗。