当系统受到外界微小作用，例如负荷扰动、水头波动等，都对水电站安全稳定运行带来了一定的影响。
When system suffers the action such as load fluctuation and head fluctuation, this arrangement has influence on the safety operation of system of water diversion and power generation.
通过计算分析，对该引水隧洞工程在高水头作用下的安全和稳定性作出了评价，并提出了适当的建议，为工程的设计和施工提供参考依据。
The appraisement about the security and stability and the suggestion of the water tunnel are brought up, which provide the foundation for devise and construction of this engineering.
低水头弧形闸门振动是一个非常复杂的问题，是影响工程安全运行的一大隐患。
Vibration of low-head radial gate is a very complex that has become a hidden problem affecting the safety operation of water project.
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