The liquid is maintained above its melting point until steam is required at which point the liquid is allowed to turn back into a solid releasing its stored energy.

液体保持在其熔点以上，直到需要蒸汽时才可以变回固体，释放其储存的能量。

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This is the same arrangement found in an old-fashioned steam radiator, in which the coiled pipes pass heat back and forth as water courses through them.

这个结构与老式蒸汽暖气片相同，水流经散热器时，热量通过盘管来回输送。

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Now we then have to condense that steam and recirculate it back either to a steam generator or back to the core.

现在，我们需要压缩蒸气，将它流通回去，或者到一个蒸气发电机，或回到核心。

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