refrigerant oil

基本解释

Fourth step, to the host pumping a vacuum, plus the amount of refrigerant oil and refrigerant.
第四步，給主機抽真空，加適量冷凍油和冷媒。
jnslshwx.com
Main automotive air conditioning compressor, refrigerant, refrigerant oil, compressor clutch assembly, Shell Oil and so on.
主營汽車空調壓縮機、雪種、雪種油、壓縮機離郃器縂成、殼牌機油等。
company.china.alibaba.com
The energy efficiency mechanism of Polarized Refrigerant Oil Additive(PROA) is analyzed. Some disputes in study about PROA recently are discussed.
本文分析了極化冷凍機油添加劑（PROA）的節能機理，討論了目前對極化冷凍機油添加劑研究中存在的一些爭議。