The main problem was the lack of water to cool spent fuel rods.
目前其主要问题就是缺乏足够的水来冷却废弃的核燃料棒。
The Fukushima Daiichi plant has seven pools dedicated to spent fuel rods.
福岛第一厂已致力于乏燃料棒的七个池。
Of greatest concern are the spent fuel rods stored at reactor Nos. 3 and 4.
最令人担忧的是存放在3号和4号反应堆的用过的核燃料棒。
Under the pact, Russia will supply the fuel for Bushehr and then take back the spent fuel rods.
根据条约，俄罗斯为布什尔提供核燃料，同时回收废核燃料棒。
The company stores spent fuel rods on its premises because there is no consensus on where else to put them.
公司在经营场所储存了大量的废弃燃料棒是因为没有就它们的存放点达成一致意见。
"Reprocessing of spent fuel rods is at its final phase and extracted plutonium is being weaponised, " it said.
据信中透露：“乏燃料棒再处理已经进入了最后阶段，与此同时镮的武器化也正在进行。”
They switched to military fire engines to douse the reactors and the pools of spent fuel rods beside them.
他们换成军用消防栓来冷却反应堆和燃料池。
They switched to military fire engines to dowse the reactors and the pools of spent fuel rods beside them.
他们转向了军事消防车来冷却反应堆和燃料池。
This is the pool where spent fuel rods are kept cool, just like the one that malfunctioned in the Japanese plant.
这是乏燃料冷却水池，跟日本核电站发生故障的水池一样。
The operation was intended to help cool the reactors and also to replenish water in a storage pond with spent fuel rods.
该行动意图是为了冷却反应堆并且向存有废弃燃料棒的水池补水。
The most dangerous uranium at the plant is not in the reactor cores but in the 11,195 spent fuel rods stored at the site.
核电站中最危险的铀不在反应堆芯，而在储存在当地的11195根废燃料棒中。
Evaporation in the cooling pools used for spent fuel rods led to the detonation of stored weapons-grade plutonium and uranium.
在冷却池的蒸发被用于废燃料棒，导致了储存的武器级钚和铀的爆炸。
Work at the plant continued on Sunday to improve the water-pumping system that is attempting to keep the reactor and spent fuel rods cool.
星期天，核电站内的工作人员继续改善冷却核反应堆和燃料棒的排水系统。
Of greatest concern are the spent fuel rods stored at reactor Nos. 3 and 4. They are not contained in the same kind of vessel as active fuel rods.
最令人担心的是3号和4号机组那些用过的燃料棒。它们并未和那些在用燃料棒一样使用同样的保存容器。
Japanese engineers working in and near the reactors have had difficulty keeping the reactor cores cooled and spent fuel rods covered with water.
威拉德说：“那种情况就是，防止反应堆内核外露的抢救努力被放弃。
A big part of the problem at Japan's Fukushima Daiichi power station are the highly radioactive spent fuel rods kept in storage pools at the plant.
日本福岛核电站问题的一大部分是那些保存在电站存储池里高放射性的烧过的核燃料棒。
In short, the Fukushima Daiichi plant contains over 600,000 spent fuel rods - a massive amount of radiation that will soon be released into the atmosphere.
总之，福岛第一厂包含60多万乏的燃料棒——很快就会释放到大气中的辐射的庞大开支。
The conflicting information about the water levels in the pool storing the spent fuel rods in Reactor 4 is emblematic of the confusion the nuclear crisis has engendered.
自相矛盾的关于四号核反应堆贮存核燃料的冷却池剩余水量的的信息是这次核危机究竟带来多大危险这个谜题的标志。
Officials had acknowledged that there was a risk of radiation being released directly into the atmosphere from the increasingly exposed spent fuel rods in Reactors 3 and 4.
官方已经承认，在3 4号反应堆中越来越曝露的核燃料已经有对大气造成了核辐射的危险。
Attempts to build a single repository in the Nevada desert have failed over the past 30 years, so spent fuel rods are stored in liquid pools at each of the 104 reactors across the country.
在内华达沙漠建造一个仓库的尝试已经失败了有30年之久了，因此用完了的燃料棒被储存在全国104个反应堆的液体池中。
When nuclear plants were designed, says Wald, regulators anticipated that spent fuel rods would sit in cooling water pools for five years and then be chemically processed and turned into plutonium.
沃尔德说，当一开始设计核电厂时，监管机构预计，乏燃料棒应该存放在冷却水池里，五年以后捞出来，再经过化学处理而转化为钸。
Instead, spent fuel rods in the U.S. are currently stored in underground pools of water or in dry-cask storage, where older fuel is put into steel cans filled with inert gas and then stored in silos.
相反，目前美国把用过的燃料棒存放在地下的水池里或装在干桶里，其中年代较远的燃料被放入充满惰性气体的钢罐里，然后存放在废弃的洲际导弹发射井中。
Spraying water on storage pools full of overheating spent uranium fuel rods is not very effective because rising steam dissipates much of the incoming water.
向装有过热铀燃料棒的储存池里撒水效率不高，上升的蒸汽驱散了大量水分。
Once the rods had been exhausted for their original purpose, the spent fuel could be reprocessed into plutonium in sufficient quantities to make nuclear weapons.
这些燃料棒因为最初的用途而耗完后，还可以被再加工成足够数量的钚，足够用来制造核武器。
While reactor 4 was shut down at the time the earthquake occurred, there is concern there and at the other reactors about the pools containing used or spent uranium fuel rods.
尽管4号反应堆在地震时已经关闭，乏燃料棒的贮存池仍然令人担忧。危机应对的关键仍在于冷却燃料和控制泄漏，要做的工作有很多。
While reactor 4 was shut down at the time the earthquake occurred, there is concern there and at the other reactors about the pools containing used or spent uranium fuel rods.
尽管4号反应堆在地震时已经关闭，乏燃料棒的贮存池仍然令人担忧。危机应对的关键仍在于冷却燃料和控制泄漏，要做的工作有很多。
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