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目前各种空调车辆常用的制冷剂是氟利昂—12,简称 R—12。氟利昂是英文 Freon 的译音。氟利昂是饱和碳氢化合物的氟、氯、溴衍生物的总称。氟利昂的种类较多,仅用氟和氯由甲烷衍生而成的就有10多种。各种氟利昂的热力特性差别很大,可分别适用于各种制冷设备的不同要求。
Currently a variety of air-conditioned vehicles commonly used refrigerant freon -12, referred to as R-12. Freon is the English Freon transliteration. Freon is saturated hydrocarbon of fluorine, chlorine, bromine derivatives in general. There are more than 10 types of Freon, which are derived from methane only from fluorine and chlorine. Various Freon thermal characteristics vary widely, can be applied to a variety of different requirements of refrigeration equipment.