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车的内循环和外循环什么意思
更新时间: 2021-01-06 08:29:26  

1、内外循环顾名思义。内循环就是让空气只在车内流通,通过鼓风机带动车内空气进行循环。

2、而外循环就是连通车内与外界,车辆行驶过程中,气流会利用风压自动吸入车内,静止时车外空气也能顺着气道进入鼓风机,从而吹入车内。

关键词: 循环 什么 意思

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