Flasks for the transport of spent fuel are extremely strong containers made of steel or steel and lead.

运送废燃料的容器极为坚固，是用钢或钢铅合金制成的。

《柯林斯英汉双解大词典》

Those drawing fuel would have to agree to strict verification and to return spent fuel for oversight.

获取燃料的那些国家将必须同意接受严格的核查，并返还乏燃料以便监督。

youdao

The status of the various spent fuel stashes is not clear, which is disturbing.

各个乏燃料池的状态还不清楚，这种情况令人不安。

youdao

Both sides are expressing concern over North Korean statements on Friday that Pyongyang is continuing to extract plutonium from spent nuclear fuel for material useable in weapons.

VOA: standard.2009.09.06

The key risk of storing spent fuel at reactor sites is radiation exposure from spent fuel that has caught fire when it is stored in a pool.

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By measuring the carbon compounds spewed out during the test, automakers can figure out how much fuel was spent and, subsequently, the vehicle's fuel economy.

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They were working in Reactor No. 3 which is of particular concern because it is the only unit to use MOX fuel, which is reprocessed spent fuel mixed with plutonium.

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