When we measure the heat capacity of heat pump by enthalpy measuring method, we use flow rate measuring method to measure flow rate and sectional mean temperature of air.
利用空气焓值测量方法对热泵的制热量进行测量时，通常采用测流量法测量空气的流量和截面平均温度。
It is showed in practice that this tracing method of gas flow rate measurement can be used in the condition which is inavailable for common flow rate measuring instruments.
实践表明，这种气体流量示踪法测量的特点是能够用于一般流量测量仪器难于适应的场合。
When we measure the air heat capacity of heat pump by enthalpy potential method, the flow rate measuring method was used to measure flow rate and sectional mean temperature of air.
利用空气焓差法进行热泵空气侧换热量测量时，通常采用测流量法测量风的流量和截面平均温度。
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