该模型将同时得到经济流速、设备及管道最佳直径和经济保温厚度，可作为管道工艺设计的基础；
Meanwhile, the economic flow rate, optimum diameter and economic insulating layer thickness of the equipment and pipeline have been obtained with the model, which provide a basis for pipeline design.
该模型将同时得到经济流速、设备及管道最佳直径和经济保温厚度，可作为管道工艺设计的基础；
Meanwhile, the economic flow rate, optimum diameter and economic insulating layer thickness of the equipment and pipeline have been obtained with the model, which provide a basis for pipeline design.
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