These are the three recycling pumps which supply water to reactor cooling system.

这是三个循环泵的供水水反应堆冷却系统。

youdao

It can be used as nuclear reactor cooling material and the reducing agent in organic synthesis.

可以用作核反应堆的冷却材料，有机合成的还原剂。

youdao

Then you have, in terms of the barrier integrity, reactor cooling systems activity, cladding failure.

然后你们会有，在屏障完整性，反应堆冷却系统行为，覆盖层失效。

youdao

It shut down and partially dismantled the Yongbyon reactor, including the televised demolition of its cooling tower in May of last year.

VOA: standard.2009.04.15

Hours earlier, the plant operator switched off a reactor cooling system after discovering rats near critical equipment.

BBC: IAEA calls for improvements at Japan's Fukushima plant

The failure of diesel generators, which power water pumps that are critical to reactor cooling systems, was a leading cause of the current crisis.

WSJ: Japan Plant Had Troubled History

So far, the three Japanese reactors experiencing cooling problems haven't released significant amounts of radiation, but the situation is dangerous, as an explosion Monday morning in Japan damaged a pump bringing in cooling seawater at one reactor and a third reactor began experiencing cooling problems Monday afternoon.

WSJ: Uranium Firms Take Hit After Earthquake