Can solve te flood resistance problem of the river and lake with alrge fluctuation of water level.
可解决在水位涨落大的沿江，湖泊地区建泵站的电机防洪问题。
Two parallel permanent fluctuating belt will be formed along the two Banks of the reservoir because of the natural fluctuation of water level after the finish of the Three Gorges Dam.
三峡大坝建成后，由于水位的季节性涨落，将会在库区两岸形成两条平行的永久性的消落带。
Based on analytical method, the paper shows that raising the length of a riser can elevate the water-hammer pressure and reduce the fluctuation of water level effectively in surge tank.
通过理论和解析方法讨论连接管较长时，其内水体惯性对调压井水锤压力和水位波动的影响。实例分析表明：连接管长度增加可使调压井水锤压力升高，水位波动幅值减小。
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