主要用闸门挡水的低水头泄水建筑物。由闸室和上下游连接段组成。闸室是泄水闸的主体，设有闸门。上游连接段的主要作用是引导水流均匀进闸;下游连接段的主要作用是消能防冲，引导水流安全排入下游河道。
n. sluice
misc. water release gate
介绍了PLC在水电厂泄水闸门控制系统中的应用。
The application of the PLC in the automation system of sluices, which are in the hydroelectric plant is introduced.
王甫洲水利枢纽泄水闸工程是整个枢纽能否安全运行的关键工程。
The WP water release sluice is a key construction to ensure safe operation of the project.
利用桥巩水电站泄水闸河床地形特征，布置高低两种戽式消力池。
High and low bucket basins are arranged by taking advantage of topographic conditions underlining river bed at release sluice of Qiaogong Hydropower Station.
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