通县宋庄示范区进展情况简结示范区以发展低压输水管道地面灌溉节水工程为主，研究的关键技术是：利用当地汛雨和引境外客水回灌补充地下水，促进水资源良性循环；研究低压输水管道、新型给水栓、闸管配套的地面灌水技术；开发出水口接小泵加压喷灌与闸管地面灌配套技术；研究 Briefing on the Progress of Songzhuang Demonstration Area in Tong County The key areas of the demonstration area are the development of surface irrigation and water-saving projects for low-pressure water pipelines. The key technologies of the study are: to supplement the groundwater by utilizing local floods and recharging foreign tourists to promote benign water resources Cycle; study of low-pressure water pipelines, new water supply hydrant, brake pipe supporting the ground irrigation technology; developed a nozzle connected to the small pump pressure sprinkler irrigation and grate surface irrigation supporting technology; research