通过对二次供水设施现状及存在问题的调查,分析了二次供水造成水质污染的原因,提出防止二次供水水质污染的对策。 Based on the investigation of the current situation and existing problems of secondary water supply facilities, the reasons of water pollution caused by secondary water supply were analyzed, and the countermeasures to prevent water pollution of secondary water supply were put forward.