各个乏燃料池的状态还不清楚，这种情况令人不安。
The status of the various spent fuel stashes is not clear, which is disturbing.
3月11日地震时，四号反应堆乏燃料池中的燃料棒处于活动状态。
The active rods were in that pool when the March 11 quake struck.
所有这一切都是必须要做的，因为虽然就名义上而言是用过的“乏燃料”，但它们仍具有一定的危险性。
All this is necessary because, despite its name, "spent" nuclear fuel still has something of a kick.
所有这一切都是必须要做的，因为虽然就名义上而言是用过的“乏燃料”，但它们仍具有一定的危险性。
All this is necessary because, despite its name, "spent" nuclear fuel still has something of a kick.
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