These are mobile nuclear reactors.

它们是可移动的核反应堆。

But it has no such reactors.

但他们却没有民用反应堆。

Some reactors allow for online refuelling.

有些反应堆能够在线换料。

Another 27 reactors are under construction.

还有27个反应堆在建设中。

The reactors began to explode and melt down.

反应堆发生了爆炸和融毁。