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电力工业是国家工业化的光行工业之一,是国民经济发展的基础;整个国民经济的发展速度与电力工业发展速度有着极密切的关系。水力发电是电力工业中的一个重要的组成部分,这是由於它具有许多优越的条件,如成本低、运行灵活、节约燃料、利於国防等。水力发电站的建设,同时又使河流得到综合利用,在防洪、灌溉、航运等方面获得巨大效益。因此,水电站
The electric power industry is one of the light industries of the country’s industrialization and is the basis for the development of the national economy; the development speed of the entire national economy has a close relationship with the development speed of the power industry. Hydroelectric power is an important part of the power industry because of its many superior conditions, such as low cost, flexible operation, fuel economy, and national defense. The construction of hydroelectric power stations, at the same time, enables the rivers to be used comprehensively, and they have great benefits in flood prevention, irrigation and shipping. Therefore, the hydropower station