因此，控制机动车尾气污染是当务之急。
So it is the most important to control automobile exhaust gas pollution.
预防机动车尾气污染。
通过昆明市当前机动车尾气污染对城市空气质量的影响，分析其变化趋势。
The changing trend of vehicle tail gas pollution in Kunming is analyzed by investigating the impacts on air quality from tail gas emission.
应用推荐