调节导叶的开度。

Adjust the guide glade.

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进行了现场甩负荷试验，实测了蜗壳压力、机组转速升高、导叶开度的变化过程，分析了爆破膜的工作特性。

Field tests were carried out and the pressure rise, speed rise and the turbine gate opening were measured during load rejections. The Characteristics of safety membranes is analysed.

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