Furthermore that proportion of new wind and back wind is changeless makes the character of air become poor when there are a lot of passengers and wastes energy when there are few passengers.
英
美
释义
而且现有空调客车采用新风和回风比固定的控制方式,在人多的时候空气品质低下,而在人少时由于吸入过多的新风而造成能源浪费。
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