Change original refrigeration equipment make it with LPG phase match, while regarding LPG as the refrigerant, the performance of refrigeration circulation should be superior to R22.
若改变原制冷设备使之与液化石油气相匹配，则以液化石油气为制冷剂时，制冷循环的性能要优于r22。
The circulation concentration is determined from the refrigerant differential holdup in heat exchangers.
系统的循环浓度根据换热器中制冷剂的分馏滞留程度来计算。
The refrigerant liquid tanks form a refrigerant water closed circulation system through pipes, a refrigerator, a refrigerant water pump and a refrigerant water throttle valve to supply a cold source.
冷媒水箱由管路与制冷器、冷媒水泵和冷媒水节流阀 组成冷媒水闭路循环系统提供冷源。
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