两个液压钢制闸门抬高，以将贡多拉与运河盆地里的水隔离开。
Two hydraulic steel gates are raised, so as to seal the gondola off from the water in the canal basin.
本文介绍了可编程控制器（简称PLC）在水力发电站液压启闭闸门监控系统中的应用，着重介绍了系统控制原理和设计思想。
The paper introduces the application of PLC in monitoring system of hydraulic power stations hydraulic gate. Emphasos is on the principle of control and conception of design.
根据昌山电站的实际情况，进行闸坝工作门方案的比选，确定采用液压翻板闸门。
According to the actual situation of the Changshan hydropower station, the authors compared the lock dam work gate schemes and determined using hydraulic flap gate.
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