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一滾水坝是水利建設中的重要工程之一。它不仅担負着引水和抬高水头的重要任务,而且在合理选择坝型上直接关系到整个工程的投資和建設速度。在目前群众性水利运动中,如何多
A rolling dam is one of the important projects in water conservancy construction. It is not only responsible for the important task of diversion and elevation of head, but also directly affects the investment and construction speed of the whole project in the reasonable choice of dam type. In the current masses of water conservancy, how much