摘要
Abstract
Economic development and modernization constru-ction increased the operation pressure of the sewage treatment system, and people put forward higher requirements to the co-nstruction, management and operation of sewage treatment sy-stem, etc. Based on this, this article combines with economic development and industrial development situation and deeply analyzes the key problems of sewage treatment.关键词
经济背景/城市污水处理/对策Key words
economic background/urban sewage treatment/countermeasure