由于汽化热的存在，使气温下降，通过所说的热交换器把室外空气降温后送进室内。

The outdoor air which has been cooled by said heat exchanger is passed into room.

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由于汽化热的存在，使气温下降，通过所说的热交换器把室外空气降温后送进室内。

The outdoor air which has been cooled by said heat exchanger is passed into room.

youdao