本文在实验模型的基础上，经简化建立了有三个污染源的置换通风三维稳定传热、流动的物理模型和数学模型。
Based on experimental models, the paper sets up three-dimensional steady heat transfer and flow physical model and mathematical model on a three polluting heat sources after simplification.
本文在实验模型的基础上，经简化建立了有三个污染源的置换通风三维稳定传热、流动的物理模型和数学模型。
Based on experimental models, the paper sets up three-dimensional steady heat transfer and flow physical model and mathematical model on a three polluting heat sources after simplification.
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