铀棒被放置在反应堆中6天。
本文对金属铀棒材轧制压力进行了研究。
An investigation of rolling pressure on metallic uranium rod was made.
在核反应堆中，铀棒排列成束，浸入一个巨大的耐压水箱中。
Inside a nuclear reactor, rods of uranium are arranged in bundles and immersed in a giant, pressurised water tank.
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