求翻译：南通市观音山污水厂、开发区第一污水厂入江整合排污口为研究实例，预测了该排污口在90%保证率水文条件下，尾水对纳污江段的水环境影响，旨在为该类型河段的排污口退水影响预测提供技术依据。是什么意思？

Nantong City, Kwun Yam Shan sewage plants, Development Zone, the first wastewater treatment plant outfall into the river integrated research instance, predicted the outfall in the 90% guaranteed rate of hydrological conditions, the environmental impact of the tail water on the pollutant section of t

Kuanyin Nantong city sewage treatment plant, the development zone, a sewage treatment plant outfall into the river integration examples to study and forecast the outfall at 90 per cent rate guarantee hydrological conditions under the Water Pollution, the tail section of the river, the water environm

Nantong Kuanyinshan Sewage Factory, the development zone first sewage factory enter the river conformity pollution outlet are the research examples, had forecast this pollution outlet under 90% guarantee rate hydrology condition, the tailwater to accepts the dirt section the water environmental effe

Kwun Yam Shan, development zone first sewage treatment plant in Nantong city wastewater treatment plant outfall into the River integration as a case study, prediction of hydrological conditions of the 90% guarantee the rate of pollution discharge outlets, weishui water environmental impact on pollut