The status quo and trends of air quality of BA Yan Hot area are analyzed, and causes of air quality change are discussed. The measures and suggestions are put forward.是什么意思_The status quo and trends of air quality of BA Yan Hot area are analyzed, and causes of air quality change are discussed. The measures and suggestions are put forward.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句