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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The expansion of the steam in the cylinder causes some of the steam to condense.

蒸汽在汽缸中膨胀引起部分蒸汽冷凝。

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Condensers are used in power plants to condense exhaust steam from turbines and in refrigeration plants to condense refrigerant vapours, such as ammonia and Freons.

发电厂要用许多冷凝器使涡轮机排出的蒸气得到冷凝；在冷冻厂中用冷凝器来冷凝氨和氟利昂之类的致冷蒸气。

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