搜索结果: 1-1 共查到“水污染防治工程 developing nations”相关记录1条 . 查询时间(0.093 秒)
New nanotechnology to produce sustainable,clean water for developing nations
produce sustainable clean water developing nations
2016/10/10
The world's population is projected to increase by 2-3 billion over the next 40 years. Already, more than three quarters of a billion people lack access to clean drinking water and 85 percent live in ...