runoff regulation meaning in Chinese

径流调节

Complicated hydrologic and geographic conditions , and the large scale of the xiaolangdi hydraulic project on the yellow river are introduced briefly . three desilting tunnels are designed to meet the requirements of flood control , sediment discharge and runoff regulation . according to the performance requirements of desilting tunnels , the tunnel lining down - stream of the grouting curtain is designed to be post - tensional prestressed lining . on the basis of investigation and research , experiements and analysis , the unbonded prestressing system is used . it is the largest unbonded prestressed tunnel lining project in the world , and the first one in china
简介黄河小浪底水利枢纽复杂的水文、地质条件以及庞大的工程规模.该枢纽设计有3条排沙洞，担负着泄洪、排沙、调节径流和保证进水口不被泥沙淤堵的任务.根据排沙洞的水库运用要求，灌浆帷幕下游排沙洞洞身段设计为混凝土后张预应力隧洞.通过大量的调研、试验、分析论证，在施工前确定该预应力方案选用无粘结预应力系统，成为目前世界上规模最大的无粘结预应力隧洞衬砌工程，在国内尚属首例