In liquid, gas or powder medium flow pipe, need different kinds of medium flow valve cut or control.
在液体、气体或粉末介质流动的管道中，需要不同种类阀门对介质的流动进行切断或控制。
In this paper, under the gas-liquid stratified laminar and turbulent flows, and the mixture turbulence flow by aeration in pipe, the laws of drag reduction have been researched.
本文研究了圆管中气液分层层流、分层紊流及掺气混合紊流情况下的阻力减小规律。
Then, the variational trends of drag at the gas-liquid stratified flow in pipe have been studied.
该模型充分考虑了油水两相的物性以及两相分层流动对分离过程的影响。
Then, the variational trends of drag at the gas-liquid stratified flow in pipe have been studied.
该模型充分考虑了油水两相的物性以及两相分层流动对分离过程的影响。
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