Applying thermal mass flowmeter to measure gas mass flow directly.
应用热式质量流量计直接测量气体质量流量。
The structure and calibration theory of a constant pressure gas micro-flowmeter are introduced.
介绍了恒压式气体微流量计的组成和校准原理。
The structure and calibration theory of a constant pressure gas micro-flowmeter are introduced.
介绍了恒压式气体微流量计的组成和校准原理。
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