常温高压的液体冷媒流过膨胀阀，因为膨胀阀的节流作用压力降低，使得冷媒变成常温低压的液体。
The high-pressure liquid refrigerant through the expansion valve, because the expansion valve throttling pressure drop, the refrigerant into normal temperature low pressure liquid.
机台启动运行平稳后冷媒低压偏移正常值时请按如下方法调节热气旁路阀。
Students start running smoothly machine refrigerant low offset normal value please press following methods to adjust hot gas bypass valve.
冷媒高压安全阀。
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