R134a取代R12对汽车空调的影响

The Effect Brought by the Replacement of R12by R134a on Automobile Air Conditioning System

通过R12与R134a性质的对比,阐述了汽车空调系统的制冷剂替代后所带来影响,以及系统结构、选用材料的改变。

By comparing the nature of R12with R134a,this paper discusses the effect brought by the replacement of refrigerant of automobile air conditioning system and the cor-responding changes of the structure of the system and material to use.