設置合理的取水樞紐是具有重大的國民經济意义的。因为綜合地解决國家的灌溉和能量問題要求全年不断供水,所以自河中不断取水來供給灌溉系統和水力裝置的問題是很現实的問題。山河的泥沙情况是取水建筑物有效而不断工作的主要障碍。对山河条件下取水建筑物的观测指出,带人進水閘的底砂比相对的進水量大得多,因此使進水部分和干渠嚴重地淤積起來,往往失去作用,需要很大的費用來作系統的清除。此外,还观測到在取水口前底砂淤積嚴重而且水流深水綫远璃取水前緣。往往在山河上选擇得很“適当”的取水地点經过一定时間以后就發现很不適当了。治理的和引水 Setting reasonable water intake is of great national economic significance. Since the integrated solution to the country’s irrigation and energy problems requires continuous water supply all year round, the problem of continuous water supply from the river to supply irrigation systems and hydraulics is a real problem. The sediment condition of mountains and rivers is a major obstacle to the effective and continuous operation of water abstraction buildings. Observations of water abstractions under mountain and river conditions indicate that the bottom sand with human intake is much larger than the relative influent and that serious siltation of the influent and the main channel is often ineffective and requires significant costs System cleared. In addition, it was also observed that there was serious sand deposition at the front of the water intake and that the water front of the deep-water long-distance water intake was observed. It is often inappropriate to find a “suitable” water intake site on a mountain river after a certain period of time. Governance and diversion