The nuclear reactor pump is the key equipment in the nuclear power plant. It is important for the safe of the nuclear power plant that the pumps work stably for a long time.

核泵是核电站中最为关键的设备之一，它长时间稳定运行对核电站的安全有重要作用。

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Tepco is developing a few measures, including a system that would pump groundwater away from the reactor buildings so there would be less contaminated liquid to deal with, and another that would remove all radioactive elements from the water so it could be released safely into the environment.

WSJ: Leaks Rouse Fears at Japanese Nuclear Plant

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