The design of the pump sump has a directly effect on the running efficiency and security performance of the pump system.

水泵吸水池设计的合理与否，会直接影响到泵站的运行效率和安全。

youdao

Therefore, the good or bad condition of flow in the sump directly exerts an influence on the flow field of the pump inlet and consequently leads to poor pump system performance.

进水池中流态的好坏直接影响泵进口的流场，从而影响到水泵的系统性能。

youdao

You add in the sump pump, the French drain, the alarm system, the slate roof, the gutters, the generator and you convince yourself that you're safe.

WSJ: Anna Quindlen on a Message Delivered by Tornado | House Call