比如西屋的新式的AP1000包含“被动安全”系统，能够在紧急时刻不需操作人员介入就能避免反应炉核心熔毁。
Westinghouse's new AP1000, for example, has“passive safety” systems that can prevent a meltdown during an emergencywithout operator intervention.
切尔诺贝利核电站的反应堆缺少防范设施，而福岛核电站有美国通用制造的防范设施，而且福岛核反应炉已经经历了一场地震和一场海啸，迄今为止，也只是部分核心熔毁而已。
Chernobyl's reactor lacked a containment facility, unlike the Fukushima plant, whose GE-made containment vessels have withstood both an earthquake, tsunami, and thus far, a partial meltdown.
水很快蒸发殆尽，燃料棒部分露出冷却，这样可将熔毁反应堆核心的热量和蒸汽散发出来。
Soon, the water had burned off and the fuel rods were exposed -- allowing them to emit levels of heat and steam that can melt the reactor's core.
据物理学家Bergeron表示，如果核心确实熔毁，一天之内容器将出现故障并将核心暴露到外部环境。
According to Bergeron, the physicist, if the core does melt, you could have containment failure in less than a day, exposing the core to the external environment.
据物理学家Bergeron表示，如果核心确实熔毁，一天之内容器将出现故障并将核心暴露到外部环境。
According to Bergeron, the physicist, if the core does melt, you could have containment failure in less than a day, exposing the core to the external environment.
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