总体来说，尾水管进口断面水压在甩负荷过程中是升高的，而导叶后断面的水压随导叶关闭急剧下降。
The water pressure at the entrance of draft tube rises in the process of load rejection, but the pressure behind the guide vanes drops rapidly following the closing of operation.
总体来说，尾水管进口断面水压在甩负荷过程中是升高的，而导叶后断面的水压随导叶关闭急剧下降。
The water pressure at the entrance of draft tube rises in the process of load rejection, but the pressure behind the guide vanes drops rapidly following the closing of operation.
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