defective fuel

例句：

1. 1. The engine's performance was significantly affected by the defective fuel.
   发动机的性能因缺陷燃料而受到显著影响。
2. 2.The manufacturer has been accused of using defective fuel in their products.
   制造商被指控在其产品中使用了缺陷燃料。
3. 3.The pilot had to make an emergency landing due to the defective fuel in the plane.
   由于飞机中的缺陷燃料，飞行员不得不紧急降落。