在沈阳市大气污染物申报登记和分析评价的基础上，提出了沈阳市改善环境空气质量的对策，旨在为领导决策提供依据．。
On the base of the result about declaring register, the article introduced the countermeasure about improve ambient air quality. It can provide the secundum for leadership.
这类千层石假山水池还有改善空气质量、优化环境等作用。
This kind of Melaleuca stone rockery pool as well as improving air quality, optimize the environment.
车辆自动清洗设备促使工地洁净整洁，还能有效改善空气质量，还人们一个洁净、温馨、良好的生活环境。
Automatic cleaning equipment to clean and clean the site, but also effectively improve air quality, but also a clean, warm, good living environment.
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