The reactor cooling system re-circulates water, so its return would simplify recovery operations.

反应堆的冷却系统将水不断进行循环，冷却系统恢复后可以简化复原工作。

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

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

柴油发电机故障是这次危机的主要原因。柴油发电机为对反应堆冷却系统至关重要的水泵提供电力。

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