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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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.

不需要蒸汽时，液体保持在熔点以上，需要蒸汽时液体才能变成固体，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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Is it hard for you guys to -- after such a national tragedy -- to know when to get back to business full-time in terms of full steam ahead with the agenda when the nation is sad?

WHITEHOUSE: Press Briefing

Malone's perceptive long pass gave Brown time to build up a head of steam and the full-back showed great strength to break two tackles and send Luscombe over, Malone converting.

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Bremer and the IGC also had hoped to persuade Annan to bring U.N. personnel back into Iraq -- a move that may have lost steam Sunday when a suicide bomber detonated a half-tonne of explosives at a main gate of the heavily fortified Green Zone around the coalition headquarters in Baghdad.

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