cluster of fuel element

例句：

1. 1.The cluster of fuel elements in the engine is crucial for its performance.
   发动机中的燃料簇对于其性能至关重要。
2. 2. The researchers found a new way to cluster the fuel elements in the reactor.
   研究人员发现了一种新的方法，将燃料元素在反应堆中进行聚集。
3. 3. The cluster of fuel elements was carefully analyzed to understand their impact on the environment.
   对燃料元素的簇进行了仔细的分析，以了解它们对环境的影响。