Retractable blowers shall be provided for the convection evaporative surface (third pass) and inlet to the superheater.
应为对流蒸发面(第三通道)和至过热器的出口进口提供伸缩式吹灰器。
It has been estimated that a single large rainforest or coniferous tree has an evaporative surface area roughly equal to a 40 acre lake.
据估计，单独一个大雨林或针叶林其蒸发面积大约相当于一个40英亩的湖泊。
According to the theory of indirect evaporative cooler, heat can be taken away through water evaporation by wrapping water absorbent film on the cooling surface of air conditioner condenser.
应用间接蒸发散热的原理，在空调冷凝器表面包覆吸水膜，利用水蒸发带走热量。
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