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调查了上海市10幢建筑空调风系统的污染状况。分别研究了风管积尘和盘管积尘对室内可吸入颗粒物浓度、微生物浓度以及通风系统性能的影响。分析了通风系统清洗前后这些参数的变化情况。
The pollution status of air-conditioning systems in 10 buildings in Shanghai was investigated. The effect of air duct dust and coil dust on the concentration of inhalable particles, the concentration of microorganisms, and the performance of the ventilation system were studied. The changes in these parameters before and after cleaning the ventilation system were analyzed.