随着经济的发展和生活水平的不断提高,城市建筑物越来越多地采用了集中式空调通风系统,人们学习、生活和工作的室内空气质量在更大程度上依赖于集中空调系统的送风质量。空调系统由于本身设计、长期运行、清洁不当、缺乏有效的运行管理等原因,已经成为建筑物室内空气污染的主要来源之一。尤其是SARS疫情发生后,政府和公众对集中空 With the development of economy and continuous improvement of living standards, more and more urban buildings adopt the centralized air-conditioning ventilation system. The indoor air quality that people study, live and work on depends more on the centralized air-conditioning system Wind quality. Air-conditioning systems have become one of the main sources of indoor air pollution in buildings due to their design, long-term operation, improper cleaning and lack of effective operation and management. In particular, the SARS outbreak, the government and the public on the empty