refrigeration of change phase
... refrigeration mechanic 制冷技师[工],制冷工程师 refrigeration of change phase 相变制冷 refrigeration oil 冷冻机油 ...
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refrigeration of change phase
相变制冷
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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。
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