The cities with serious SO2 pollution are mainly located in Shanxi,Hebei,Guizhou,Chongqing and parts of Gansu,Shaanxi,Sichuan,Hubei,Guangxi and Inner Mongolia.是什么意思_The cities with serious SO2 pollution are mainly located in Shanxi,Hebei,Guizhou,Chongqing and parts of Gansu,Shaanxi,Sichuan,Hubei,Guangxi and Inner Mongolia.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句