zero pressure 零压力 ; 起点压
zero-pressure gradient flow 无压力梯度流动 ; 无压梯度流
suppressed zero pressure gauge 无零位刻度压力计
zero pressure difference point 零压差点
zero-pressure point 零压差点
By using a zero-pressure pendulum sampler and an isokinetic sampling method the samples of pulverized coal were taken at the outlet piping of a MPS coal pulverizer.
利用零压摆式取样针煤粉等速取样方法在MPS磨煤机出口管道上等速取样煤粉，通过对煤粉细度、水分和质量的分析，研究MPS磨煤机的工作特性。
全开状态零压降。
In zero pressure gradient flow, this local momentum loss is Minost an additive constant quantity. On the other hand, adverse pressure gradient results in amplification of this momentum loss.
在零压力梯度下，这个局部的动量损失几乎是一个附加的常量，而逆压梯度则会扩大这种动量损失。
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