蒸汽机的核心是汽缸。它一端密封，另一端有个可以移动的活塞。
The core of a steam engine is a cylinder that is sealed at one end and has a moving piston at the other.
在一个容器里把水煮沸，得保证水蒸汽被引进了铜管的一端，而另一端则放在空的那个容器里。
Boil the water in one of the cans and ensure the steam is directed into the copper tubing with the other end in the empty can.
燃气轮机及蒸汽轮机端的发电机产生电能。
Electric power is produced from both the gas and steam turbine-generators.
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