为了保护节约水资源，减少水体污染，将污水作为一种资源进行合理的开发及利用已成为当务之急。
In order to protect, save water resources, decrease pollution, it's imperative to regard sewage water as a resource to exploit.
但是，岷江上游的水资源面临着总体水量减少，洪水以及水体污染等问题。
But the water resource faces some problems such as flow reduction, flood and pollution.
人为因素造成水质污染，引起河流(湖库)水体功能的衰退，导致可以利用的水量的减少。
Water pollution caused by human factors leads to the decreasing of available water resources and the function declining of water bodies, like rivers, lakes or reservoirs.
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