The electric cooling pumps had lost power from the grid, but back-up diesel generators kicked into action, and ultra-pure cooling water continued to circulate through the cores.
虽然电动冷却泵失去了外网供电，但是备用的柴油发电机开始运作，超纯冷却水继续循环使堆芯降温 。
2
That leaves reconnecting the plant to the grid and restarting the cooling pumps inside as the last line of defence before a major release of radiation.
这样，核电站和铁网再次相连，内部冷却泵重新启动，它们成为严重核辐射爆发前的最后防线。
3
To stabilize the reactors and restart cooling systems, the company rushed to reconnect the power plant to the electric grid.