...汽疏水阀最高(或允许)工作背压Maximum (or allowed) Working Back Pressure of (for) Steam Trap 比压降Specific Pressure Drop 1 拟回收凝结水回收量、温度、压力、水质、系统用水水质指标等，凝结水回收数据表详见附录A。 .
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降压比率 step-down ratio ; down ratio
定比降低压力阀 proprutioning pressure reducing valve
降压比 step down ratio
压降比 pressure drop ratio ; ratio of pressure cut down
压力比降 Gradient pressure
气压比降 Gradient atmospheric pressure
压降比pdr pressure drop ratio
水压管比降 Gradient piezometric
压降比特性 Characteristics of Pressure Drop Ratio
利用该模型可以对火烧油层注气井试井压降曲线进行解释，并求解流度比、扩散比以及各区的波及半径等参数。
With this model, the pressure drop curve of well testing is interpreted, and mobility ratio, diffusion ratio, sweep radius of each area and some other parameters are solved.
研究结果表明：对于特定的旋风器，在适当的操作条件下，筒体压降随固气比的增加而减小。
The results show that pressure drop deceases with increased solid loading under the proper operating conditions only for the specially designated cyclones.
本文提出了高压低饱和压降gtr的最佳设计方法。分析表明，高压低饱和压降晶体管采用集电区穿通性设计比非穿通性设计有利。
The best design method of high voltage and low saturation voltage GTR presented in this paper shows that the collector region through design is better than non-through design.
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