air pollution造句
181. Total emission control of atmospheric pollutant is to control air pollution from an integrated viewpoint, and it is an effective way for improving the quality of regional atmospheric environment.
182. There is no denying the fact that air pollution is an extremely serious problem, and the city authorities should take strong measures to deal with it.
183. The air pollution in the urban area is still serious.
184. Zundt says these diesel vehicles are the main causes cause of air pollution in Sao Paulo.
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