城市环境空气质量 meaning in English
urban air quality
urban （ambient） air quality
urban（ambient）airquality
Examples
- Analysis and evaluation of city ambient air quality in chengde in
2005年承德城市环境空气质量分析与评价 - With the developing economy , the industrial enterprises had discharged more and more sulfur dioxide , and these had effected serious on air quality , human health and ecosystem
摘要随着城市经济的不断发展，工业企业所排放的二氧化硫日益增多，对城市环境空气质量造成严重影响，从而危害人群健康，破坏生态系统。