60% of air pollution is from waste gases of vehicles and in citie_英语解答

60% of air pollution is from waste gases of vehicles and in cities uo to 80%翻译

人气：408 ℃　时间：2020-04-02 13:30:37

解答

60%的空气污染是由汽车尾气排放造成的,而城市里有80%的空气污染是由汽车尾气排放造成的.