压力流是指周围被约束、没有自由表面（液体和气体的分界面）的液体流动。最常见的压力流是满管流（见管流），即液体充满管道的流动。液体未充满管道的流动遵循无压流的规律。压力流按其流动特性是否随时间改变可分为定常压力流和非定常压力流。
压力流
双语例句原声例句
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介绍了适用于大屋面雨水排放的压力流雨水排水系统中雨水斗和管道的安装方法。
This essay also introduces some installation methods of rain cups and pipes suitable to the big house surface draining rain through pressure flow rain drainage system.
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通过对简单的压力流和剪切流较精确的模拟，得出了流体在不同膜厚下的流动特性。
The flowing characteristics at different film thickness are gained by accurately simulating Poiseulle flow and Couette flow.
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采用离散压力流模型和图自动机计算模型实现了智能虚拟器官之间的物质传输与分配。
Discrete pressure-flow model and graph automata have been used to simulate the material transport and distribution and information exchange between IVOs.
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As it does that it changes the volume of the heart and gives the - creates the pressure that moves blood around your body, so it has that muscular system.
这使心脏的体积发生变化,产生了足以使血液流遍全身的压力,这就是心脏中有肌肉系统的原因
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