The flow of oil and sand mixture in horizontal wellbore is a special flow model of solid-liquid two phase flow in pipe flow actually.

含砂原油在水平井水平段中的流动是液固两相沉降性浆体水平管流的一种特殊形式。

youdao

Relative eddy is a special flow phenomenon, occurring within centrifugal impeller passage. Its speed distribution is closely related to impeller characteristics.

轴向旋涡流是离心叶轮内特殊的流动现象，它的速度分布规律与叶轮特性关系密切。

youdao

According to the concept of topological chain recurrent, a special flow "non-compact flow" is introduced on metric space, some properties and examples of this flow are given.

通过拓扑链回归概念，在非紧致度量空间中引入一类特殊的流———非紧致流，同时给出该类流的一些特性和实例。

youdao

She advised his parents to use a special device called a peak flow meter.

VOA: special.2009.07.28

The director, Bryan Singer, builds the characters and then lets the action flow from their special physical skills.

NEWYORKER: X-Men

Another is the relationship between alcohol and violence, with special attention paid to shebeens, bars where drinks flow freely and illegally.

CNN: STORY HIGHLIGHTS

Indeed, the flow of money in and out of campaign and special-interest war chests is less transparent than ever.

BBC: Should US elections be more like the papal conclave?