point source of pollution 点污染源

non-point source of pollution 非点污染源

point source of air pollution 空气污染点源

non-point source pollution of soil 土壤面源污染

non-point source pollution of city 城市非点源

Non-point source pollution of planting 种植业面源污染

non-point source pollution of watershed 流域面源污染

non-point source pollution of phosphorus 非点源磷污染

classification of non-point source pollution 面源污染分类