The existing sewer system in Kenli County is a combined sewer system, and sewage is put into adjacent river directly.

垦利县城区目前的排水体制是合流制排水体制，污水就近排入河道。

youdao

The rehabilitation and extension project of combined sewer system in Xingsha Economic and Technological Development Zone, Changsha, is taken as a case study in this thesis.

本文以长沙市星沙开发区的合流制排水管网改扩建为工程实例进行了深入研究。

youdao

In urban sewer design, the accomplishment of design intention is effected directly by the function of overflowing well, an important structure for combined sewer system with collector.

溢流井是城市截流式合流制排水系统的一个重要组成部分，它的成败直接影响着规划设计意图的实现。

youdao

When New York is hit by heavy rain, some human waste is run into the river untreated as "combined sewer overflows, " Waldman said.

WSJ: You Can't Get Seasick on a Park Bench

Referring to the 22, 000 discharge pipes, the charity said the figure only referred to pipes known as combined sewer overflows and emergency overflows.

BBC: Charity warning over raw sewage discharge levels

Second, the issue of combined sewer overflows is one of the most difficult water-quality issues faced by cities with old infrastructure like New York City.

FORBES: Sustainability Lessons for the Big Apple