dummy fuel assembly

例句：

1. 1. The engineer designeda dummy fuel assembly to simulate thebehavior of a real engine.
   工程师设计了一个假燃料组件来模拟真实引擎的行为。
2. 2. Thedummy fuel assembly was used in thetest to evaluate the performance of the newengine.
   这个假燃料组件在测试中使用，以评估新引擎的性能。
3. 3. The dummyfuel assembly was disassembled and inspected for any signs of wear or damage.
   这个假燃料组件被拆解并检查是否有磨损或损坏的迹象。