What do the letters on car air conditioning represent?

1 Answers
RubyAnn
07/29/25 8:24pm
AC stands for air conditioning, which means the compressor starts working to cool when it is pressed, and DEF stands for defrost. Here is some relevant information: 1. Introduction: Car air conditioning refers to the air conditioning device installed in the car, which can cool, heat, ventilate, and purify the air inside the compartment, providing a comfortable riding environment for passengers, reducing driver fatigue, and improving driving safety. 2. Structure: It generally includes cooling devices, heating devices, and ventilation devices. This combined device makes full use of the limited space inside the car, has a simple structure, and is easy to operate, making it a popular modern car air conditioning system internationally.
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