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由西班牙能源开发公司所拥有的埃尔奥约（ElHoyo）水电站是超低水头水电工程的一个范例，其2台转桨式水轮机的安装方案非常经济有效。
The El Hoyo hydroelectric power plant, owned by Spanish energy development company, is an example of a very low head hydropower project where the installation of two rotary jacking turbines is very cost-effective.