fuel vapour

例句：

1. 1. The engine needs more fuel vapour to operate efficiently.
   发动机需要更多的燃料蒸汽来高效运行。
2. 2. The pilot used a special device to control the fuel vapour flow.
   飞行员使用一种特殊的装置来控制燃料蒸汽流。
3. 3. The car's exhaust system is designed to remove excess fuel vapour from the engine.
   汽车的排气系统被设计用来从发动机中去除过量的燃料蒸汽。