Low-pressure working pressure的意思|示意

This article analyzes the traditional measures of releasing affixed pressure head and introduces the working principle of low and low gas pressure regulation and its application in hig buildings.

分析了消除附加压头的传统措施，介绍了低低压燃气调压器的工作原理及其在高层建筑中的应用。

Thee working principle of polyurethane foaming machine has three kinds, such as high speed impeller type, high pressure air type, low pressure type and so on.

聚氨酯发泡机工作原理有高速叶轮型、高压空气型、鼓风中低压型等三类。

The experimental investigation on the low pressure spray characteristics of swirl pressure nozzle was carried out with the water as the working fluid of spray.

以自来水为喷淋介质，对旋流压力式喷嘴低压喷淋特性进行试验研究。

The fluid valve of self-balanced pressure can meet the requirement of on-off of the pipeline working under the condition of high, middle and low pressure.

这种闸阀能够满足在高、中、低压条件下工作的管路通断的要求。

Therefore it is in urgent need to develop and promote the heat supply system of low steam pressure heat pump, in which the steam working pressure is below 0.

通过设计、研究和生产运行实例，分析了低压蒸汽热泵的技术要点及推广价值。