Pipe friction is the resistance to flow caused by the pipe. As a general principle, it is better to use the largest practical pipe size to avoid losses in pump performance.

管道摩擦力是指由管道引起的流动阻力，作为一个常用原则，最好是使用最大的实用的管道尺寸以避免在水泵性能方面的损失。

youdao

The traditional quasi-steady friction models are proved to be inaccurate in transient pipe flow because they underestimate friction losses in transients.

在液体管道瞬变流计算中，传统的拟恒定摩阻模型不能准确描述瞬变流的真实物理现象。

youdao

In order to water pump suction pipe, memory, import needs bottom valve pump working, bottom valve caused great losses.

为了在泵内存水，吸入管进口需要装底阀，泵工作时，底阀造成很大的水力损失。

youdao

The SEC alleges Cuban deceived the company by promising not to disclose information about the PIPE or sell his stock, but selling anyway and avoiding losses incurred by the company after the placement was publicly announced.

FORBES: Twists, Turns, PIPEs, And Screws: Insider Trading And Mark Cuban

William Hite, general president of the United Association of Plumbers and Pipe Fitters, says that while his union is "certainly concerned" about the potential for job losses, the mercury rule could also create thousands of jobs for workers who build and install pollution control equipment.

WSJ: EPA Tangles With New Critic: Labor