天气预报 > 其他 > 堵车开外循环好不好
堵车开外循环好不好
更新时间: 2020-11-05 00:00:00  

不好。堵车用内循环,我国大部分城市目前空气质量都不好,开启内循环可以阻隔外界污染空气进入车内,还有在尘土飞扬的路段也要关闭外循环,开启内循环阻断外部气流,可以保持车内清洁,减少尘土进入车内。

关键词: 堵车 开外 循环 不好

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