We have again the core and as you recall in a boiling water reactor the main feedwater goes into the reactor and comes out as steam and goes right to the turbine.

这里还是核心，你们记得，在一个沸水反应堆里，主要的供给水会进入到，反应堆，然后出来，变成了蒸汽，然后会直接进入涡轮。

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The main advantage of a steam engine is that you can use anything that burns as the fuel.

蒸汽发动机的主要优势是你可以使用任何可以燃烧的燃料。

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The main space in the train cars is taken up by the steam generator with various valves, nozzles, manometers and a huge furnace.

这辆车头的主要部分都被一台蒸汽机占据着，蒸汽机有一堆的阀门，喷口，压力计和庞大的火炉

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In one test, scientists simulate the conditions of a main steam-line break.

CNN: Today/Tomorrow - Helping nuclear plants keep their cool

The main reason is that the economy has run out of steam.

ECONOMIST: Argentina

The NRM said there was also a small section of the main side frames that could not be examined until the steam cylinders are removed.

BBC: Flying Scotsman engine restoration delayed again