本文用热力学原理，导出了土壤热流计算公式。
This paper educed the soil heat flow calculating formula in thermodynamics principles.
作垄规格和水位不同都影响到土壤热特性和热流传导。
The thermal characteristics and the heat current are affected by ridging scales and watering tables.
分析了保温管道的保温层及其邻域土壤的温度场和热流规律，计算了保温管道的热损失。
Analyses the temperature field and heat flow around the pipes. Calculates the heat loss of insulation pipes.
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