When the refrigerant flow is reversed, the heat exchangers switch function.
当制冷剂逆向流动时，两个交换器就交换它们的功能。
The refrigerant system further comprises a controller in electrical communication with said flow control device.
该制冷系统还包括与所述流量控制装置电性连通的控制器。
The refrigerant system further comprises a controller in electrical communication with said flow control device.
该制冷系统还包括与所述流量控制装置电性连通的控制器。
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