The hydrodynamic condition and the sucking vacuum that may ap- pear in such a system are further analyzed and calculated here by means of the water pressure chart and the Bernoulli equation.

本文针对在实际使用过程中可能出现的问题，应用水压图及伯努里方程，对应用水射器补水加压的热水供暖系统水力工况、吸上真空度等进行了分析和计算。

youdao

In design of a vacuum system, generally it concerns distinguishing the regions of gas flow, the conductance of tube, the pumping speed and the pressure of system etc.

在真空系统的设计中，一般涉及到流态判别、流导、泵的抽速和系统的压力等参数。

youdao

The integrated Pirani vacuum sensor system in this work can be applied for the gas pressure detector in the medium and rough vacuum measurement.

本文研制的集成皮拉尼传感器系统能够作为气压检测器应用于中真空和粗真空的测量。

youdao