It's a calandria type reactor.

这是一个压力排管式的反应堆。

youdao

The application of new-type reactor in the electric power system is expounded.

详述了新型电抗器在电力系统中的应用。

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Aluminum tank of pool type reactor is the only component that cannot be replaced.

“游泳池”式反应堆的铝池壳是惟一不能更换的部件。

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What type of reactor technologies will be developed?

WSJ: What Should the U.S. Do With Nuclear Waste?

There are various advantages cited for this type of reactor, including the claim that it can be stopped easily if things get out of hand, and that it produces less long-lived nuclear waste than the uranium-fuelled fission reactors that are currently in common use.

FORBES: Thorium Nuclear Power -- A Lesson From Norway

And the fast-breeder type of nuclear reactor in which plutonium was used as fuel is no longer economic.

ECONOMIST: The nuclear industry