对冷媒，冷冻油及蒸发器、冷凝器和配管的干燥处理是极为重要的。

The refrigerant, refrigeration oil and an evaporator, condenser and piping in the drying process is very important.

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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.

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蒸发器： 添加和流感症状（？）滴的茶树一油一杯水留在房间里，以帮助减轻鼻塞，过敏，头痛。

Vaporizer: Add (?) drops of tea tree oil to a cup of water; leave in room to help alleviate stuffiness, allergies, headaches and flu symptoms.

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