When the incoming air adjusts to the interior temperature, the RH changes, sometimes to a degree that exceeds the variation in the outside RH (figure 15).
当外来空气提高了室内温度，室内相对湿度就发生了变化，有时会超过外部空气湿度。见图15。
If you're breaking your engine in on the street or racetrack, the high speed incoming air will keep the engine temperature in the normal range.
如果你在马路或赛道上磨合你的发动机，高速进风可以使发动机温度保持在正常范围。
Incoming air must be filtered, and its temperature and humidity controlled.
入口的空气必须得到过滤，并且它的温度和湿度也要适当。
Incoming air must be filtered, and its temperature and humidity controlled.
入口的空气必须得到过滤，并且它的温度和湿度也要适当。
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