问题描述: 求国外3个污染城市(要英文)麻烦给出三个国外的污染城市还有其具体的各5个污染源需全用英文写出 1个回答 分类:英语 2014-10-20 问题解答: 我来补答 Mexico City dominative emission sources of ozone formation:LPG exhaust of gasoline vehicles asphalt application solvent use food preparation in restaurants hot soak 展开全文阅读