那个现象是，如果那你是低于，高压，假如是2200磅，你用冷水冲击一个热管。
And that phenomenon was, if you're under high pressure, say twenty two hundred pounds and you hit a hot vessel with cold water.
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。
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.
冷热水交替冲击测试超过6000次(90度热水与15度冷水)。
Alternating hot and cold water testing more than 6000 times (90 degree water and 15 degree water).
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