The refrigerant, refrigerationoil and an evaporator, condenser and piping in the drying process is very important.
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。
2
Applying the slender crankshaft, the level rolling bearing technology, and lower viscosity refrigerationoil, increased the mechanical efficiency.
采用细曲轴及平面滚动轴承技术及较低粘度的冷冻油以提高机械效率。
3
The characteristics of prevailing alternative refrigerant used in air conditioner are analysised. The balance and choice of the corresponding refrigerationoil is introduced.