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To become an air conditioner, the flow is reversed.
要成为一个空调，流量是相反的。
youdao
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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。
youdao
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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。
youdao