The paper presents the indoor air pol ution, particularly air pol ution problems in large-sized publics, the familiar air purification technology and development. The paper puts forward some suggestions in the field of air pol ution treatment and air purification technology application by analyzing the engineering examples.% 介绍了室内空气污染特别是大型公共场所的空气污染问题，以及常见的空气净化技术及发展情况，通过分析工程实例，提出了空气污染治理及净化技术应用的一些建议。
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