Provide oil back design of refrigeration piping under various conditions of evaporator and compressor in freon refrigeration system.
介绍了氟里昂制冷系统中，在压缩机和蒸发器的各种使用情况下，制冷管道的回油设计。
Provide oil back design of refrigeration piping under various conditions of evaporator and compressor in freon refrigeration system.
介绍了氟里昂制冷系统中，在压缩机和蒸发器的各种使用情况下，制冷管道的回油设计。
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