打破办公室内寂静的，只有空气调节机呼呼的转动声。
Only the whir of the air conditioner broke the silence in the office .
其中的制冷器为空气调节器的室外机，其上有冷媒进、出口。
The refrigerator is the outdoor unit of an air conditioner on which a refrigerant inlet and a refrigerant outlet are arranged .
空气调节机