When you have an event, the reactor is operating at full power, you blowdown the primary coolant which is hot, you start injecting emergency core cooling water which is cold.

当你进行的时候，反应堆就会用全部的动力，运行，你排放出初冷却剂，那是热的，你开始注入紧急核心冷却水，那是冷的。

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At normal conditions you're not expecting the reactor vessel to fail because it's warm and hot but if you hit it with cold water it's a problem.

在正常的情况下，你不会期待，反应堆管道失效，因为它是暖和和热的，但是，如果用冷水你冲击它，那是一个问题。

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Treaties at the end of the cold war led to the decommissioning of thousands of warheads. Their energy-rich cores are converted into civilian reactor fuel.

冷战结束后的条约导致几千弹头退役—这些丰富能源的弹头转化成民用核反应堆燃料。

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The enormous heat generated by the radioactive fuel in the reactor core needs a constant flow of cold water.

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