reactor fuel element

例句：

1. 1. The reactor fuel elements are critical components in the nuclear power plant.
   反应堆燃料元件是核电站的关键组件。
2. 2. During the reactor's operation, the fuel rods are heated and compressed to generate electricity.
   在反应堆运行期间，燃料棒被加热和压缩以产生电力。
3. 3. The design of the reactor fuel elements is crucial for its efficiency and safety.
   反应堆燃料元件的设计对于其效率和安全性至关重要。