刮风下雨时，也可开启窗户，保持室内空气清新。
The Windows can also be opened in windy and rainy days to keep the air in the room fresh.
这样做可以使潮湿的、废旧的空气逸散，同时保持室内空气清新。
It lets some of the built up humidity escape and allows an exchange of stale inside air for air from the fresh outdoors.
净化环境：薰衣草有一种自然芳香，它不但能保持室内空气清新，亦能排除空气中的二氧化碳和杀菌除臭。
Environment purification: lavender contains a kind of natural fragrance, can not only keep indoor air fresh, but remove CO2 in the air, and act for sterilization and deodorization.
将其应用于家用恒温换气装置中，可有效脱除进入室内空气中的二氧化硫等有害气体，改善室内空气品质，保持室内空气清新、温度适宜。
The use of ACF in the displacement and ventilation devices can effectively remove sulfur dioxide in ambient air indoors, which will keep the good quality of air and the proper temperature indoors.
将其应用于家用恒温换气装置中，可有效脱除进入室内空气中的二氧化硫等有害气体，改善室内空气品质，保持室内空气清新、温度适宜。
The use of ACF in the displacement and ventilation devices can effectively remove sulfur dioxide in ambient air indoors, which will keep the good quality of air and the proper temperature indoors.
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