flare pilot gas

例句：

1. 1. The flare pilot gaswas used to guide the plane during takeoff.
   焰色指示气体用于在起飞时引导飞机。
2. 2. The pilot gas is a crucialcomponent in the engine's operation.
   飞行员气体是发动机运行的关键成分。
3. 3. The pilot gaswas carefully monitored to ensure safe flight.
   飞行员气体被仔细监控以确保飞行安全。