Can be used for both on-off and throttling control of fluid flow.

可用作流体流量的启闭和节流控制。

The model includes the fluid flow, heat and mass transfer equations.

模型中包括了流动、传热和传质方程。

A downhole device used to control fluid flow under downhole conditions.

用于在井下条件下控制流体流动的井下装置。

Purpose:To estimate the experimental value of PC cine MR for fluid flow.

目的：评估磁共振电影相位对比法对液体流速的实验价值。

This pressure, in turn, is known to generate a fluid flow away from the tumor.

反过来，这种液压会产生一种从瘤流走的液体流动。