Fourth step, to the host pumping a vacuum, plus the amount of refrigerant oil and refrigerant.
第四步，给主机抽真空，加适量冷冻油和冷媒。
Main automotive air conditioning compressor, refrigerant, refrigerant oil, compressor clutch assembly, Shell oil and so on.
主营汽车空调压缩机、雪种、雪种油、压缩机离合器总成、壳牌机油等。
The energy efficiency mechanism of Polarized Refrigerant Oil Additive (PROA) is analyzed. Some disputes in study about PROA recently are discussed.
本文分析了极化冷冻机油添加剂(PROA)的节能机理，讨论了目前对极化冷冻机油添加剂研究中存在的一些争议。
An electronic leak detector may find any residual traces of refrigerant or oil forced out by the increased pressure of the nitrogen.
一个电子检漏器能够发现任何由于氮气压强升高而被挤出的制冷剂或汽油残渣。
The refrigerant, refrigeration oil 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。
Therefore, general requirement frozen oil and the quality of the refrigerant than more than 0.35, otherwise you will supplement frozen oil.
因此，一般要求冷冻油与制冷剂的质量比大于0.35，否则就要补充冷冻油。
The characteristics of prevailing alternative refrigerant used in air conditioner are analysised. The balance and choice of the corresponding refrigeration oil is introduced.
对用于空调的主流替代工质特性进行了对比分析，简要介绍了相应冷冻机油的选择。
Freezing oil which is remained in the system hinders evaporating of refrigerant.
系统中残留的冷冻油，阻碍制冷剂的蒸发。
This results in a much more benign forward start as less refrigerant is drawn into the compressor pump and the amount of oil pumped out of the compressor on start up is minimized.
这使得在更少制冷剂吸入到压缩机泵，并使启动时泵出压缩机的油量最小化时得到更良好的正向启动。
The purpose is to boil off the liquid refrigerant from the oil by heating and agitating the mixture of oil and refrigerant in the oil sump.
其目的是通过加热和搅动油箱中的油和制冷剂的混合物，而使液体制冷剂从所述油中蒸发掉。
Automotive air-conditioning compressor is rich in oil, and its performance is changed obviously by the thermo-physical properties of refrigerant-oil mixture, which is different from pure refrigerant.
汽车空调压缩机中含油量高，油与制冷剂互溶后所形成的混合物的热物理性质不同于纯制冷剂，将引起压缩机性能明显变化。
Can separate the waste oil from the refrigerant and charge the operate new oil to the conditioner.
具有分离回收冷媒中废油，并可对空调加入等量新油的功能。
The refrigerant cleaning system can accompany the waste oil separation and to charge the relevant new oil.
具有冷媒净化装置，能把空调中的废油分离，并且可给空调加入相应的新油；
The refrigerant cleaning system can accompany the waste oil separation and to charge the relevant new oil.
具有冷媒净化装置，能把空调中的废油分离，并且可给空调加入相应的新油；
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