The ammonia refrigeration evaporator was used as an example to calculate the effect of temperature difference of heat transfer oncost, and analyse the significance of optimal design.
得出
价格主要随电价升高而增大，随单位
提高而减小，且远高于热价格；
）间接成本The ammonia refrigeration evaporator was used as an example to calculate the effect of temperature difference of heat transfer oncost, and analyse the significance of optimal design.
得出价格主要随电价升高而增大，随单位提高而减小，且远高于热价格；
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