名词中文翻译
中文翻译：循环空气
同义词：
['recirculated air', 'recirculating air']
例句：
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1.The new ventilation system improves the quality of recirculation air in the room.
新的通风系统提高了房间内循环空气的质量。
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2.The air conditioning system uses recirculation air to cool the building.
空调系统使用循环空气来冷却建筑物。
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3. The recirculation air is filtered and purified before being distributed throughout the building.
循环空气经过过滤和净化后，被分配到整个建筑中。