The lift of a pump

Already silently fuming that he hadn't offered to do his share of the driving, Ms. Floyd was astounded when her then-boyfriend didn't lift a finger to pump the gas.

弗洛伊德本来就因为那时还是男朋友的丈夫没有主动提出驾车而满腹怨气，当男朋友在加油时连手指头都懒得动一下的时候，弗洛伊德不禁大吃一惊。

The centrifugal sewage pump is the typical multi-phase flow fluid machinery, which is mainly used to transport and lift solid-liquid two-phase flow including a certain extent of gas.

离心式污水泵(即污水提升泵)，是典型的以输送固液两相流为主，同时含有不定量气体的多相流流体机械。

In use, with the flow, changes in lift, submersible pump motor efficiency and a corresponding change in power, the use of submersible pump of the economy and have a certain impact on reliability.

使用中，随着流量、扬程发生变化，潜水电泵的效率和电动机功率也相应发生变化，对潜水电泵使用的经济性和可靠性有一定的影响。