名词中文翻译
中文翻译：空气回风系统
同义词：
['air-conditioning system', 'HVAC system (Heating', 'Ventilation', 'and Air Conditioning)']
例句：
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1. The air return system in this room is very efficient.
这个房间的回风系统非常高效。
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2. The HVAC system in the building controls the temperature and humidity levels.
大楼里的HVAC系统控制温度和湿度水平。
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3. The air return system in the office is designed to improve air quality.
办公室的回风系统设计用来改善空气质量。