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为了便于运行和维修人员掌握操作维修技术,保证安全运行,减少建设投资,一些国家在小水电站的进水建筑物上采用如附图所示的几种设备结构简单、能自动启闭的闸门。附图(a)是装有自动翻转门的活动挡水堰;翻
In order to facilitate operation and maintenance personnel to master the operation and maintenance techniques, ensure safe operation and reduce construction investment, some countries adopt the simple structure that can automatically open and close the gates as shown in the attached drawings in the water inlet structures of small hydropower stations. Figure (a) is equipped with automatic flip door activities weir; turn