igniter gas

例句：

1. 1. The igniter gas is used to start the fire.
   点火气体用于点燃火焰。
2. 2. The igniter gas was a crucial part of the experiment.
   点火气体是实验中至关重要的部分。
3. 3. The igniter gas was responsible for the explosion.
   点火气体导致了爆炸。