原文：
A team of six Nuclear Regulatory Commission inspectors visited the Perry Nuclear Power Plant on WednesDAY, to begin investigating valve malfunctions. Plant operators shut down the plant TuesDAY, after two main steam-isolation valves failed to close properly. The valves are designed to keep radioactive steam from leaving the nuclear reactor in case of an emergency. The malfunction occurred the same DAY, operators were supposed to complete pre- operational testing. Jan...
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以下是参考译文：

译文：调查阀故障
阿六核管制委员会核查小组访问了周三佩里核电厂，开始调查阀故障。工厂经营者关闭工厂周二，经过两年主蒸汽隔离阀没有关闭好。该阀的设计使离开在紧急情况下的核反应堆放射性的蒸汽。故障发生的同{yt}，经营者应该完成作业前的测试。 1月..

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