water pump running的用法和样例：
例句
- This paper presents the application of inverters in the fan and pump system for bark washing in the waterworks.
针对自来水厂滤池反冲洗系统中鼓风机，水泵运行存在的实际问题，提出了应用交流变频调速技术加以解决的方案。 - The test shows the flow in the modified forebay is remarkably improved,the efficiency of the pump raised and the sludge deposit reduced.
试验研究表明，改进后的前池水流流态明显改善，水泵运行效率得到提高，并有效减少了前池的泥沙淤积。
