When switching from 'stand-by mode' to 'cooling mode', cold water is available within seconds.
当从“待机模式”切换至“冷却模式”后，在几秒内就可以产生冷水。
2
During normal operation, it is a stand-by facility. When a loss-of-coolant accident occurs, it injects emergency cooling water into the core to ensure the safety of the nuclear power plant.