In the commissioning and operation, these pumps have all appeared excess vibration, which would debase pumps' operation reliability and nuclear plants' security.
It is pointed out that the main reason making nuclear power plants reactors leak is the vibration of internals of reactors.
核电站反应堆发生泄漏的最主要原因是反应堆堆内构件发生振动。
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In addition, the environment of nuclear ships is narrow, and the equipment is complex, and the factor of vibration, those factors increase the possibility of a nuclear accident.