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。
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。
This article discusses the calculation of heat flux in the evaporator, in order to improve the conventional logarithmic mean temperature difference method.
本文讨论表面式蒸发器管路内热流密度计算，以改进传统的对数平均温差法。
The lowest energy consumption is realized by the method when the mean temperature of refrigerator is control standard.
本文将介绍一冷柜运行测控方式，能使冷柜在平均温度满足要求的前提下，实现能量消耗最小运行；
The mean flue temperature is affected by many factors and traditional control method is not satisfactory.
直行温度受多种因素的影响，传统的控制方法难以满足焦炉加热控制的要求。
The preparation method does not need the device and mean of high temperature melting, thus the device cost and maintenance cost are lower.
该制备方法不需要高温熔融的设备手段，因此设备的成本和维护都比较低。
The preparation method does not need the device and mean of high temperature melting, thus the device cost and maintenance cost are lower.
该制备方法不需要高温熔融的设备手段，因此设备的成本和维护都比较低。
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