When measured in the medium temperature gradient exists, The average temperature of the measured temperature is the temperature of the components within the dielectric layer in the.
当被测介质中有温度梯度存在时，所测的温度时感温元件所在范围内介质层中的平均温度。
The results are as follows: at low velocity, the heat transfer coefficient is nearly proportional to the average velocity and velocity and temperature gradient are in good synergy.
结果表明：当流速很低时，速度与换热系数几乎成线性变化，场的协同性很好；
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