介绍了一种多通道气体微流量测试仪，用于卫星推进系统气体流量测量。
A kind of multi channel micro gas flowmeter used for satellite propulsion system is introduced.
介绍了热质量流量计的特点、工作原理、微小气体流量测量及泵保护应用。
Characteristic, working principles of the thermal mass flowmeter and its application in micro gas flowmeter measuring and pump protection are introduced.
简要介绍使用差压式流量传感器进行一般气体流量测量时的温压补偿方法；
It introduces briefly the method of the general gas flow measurement with the temperature and pressure compensation by the flow meter of pressure difference.
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