gas drive gas reservoir

例句：

1. 1. The gas engine is the main sourceof power for the car.
   汽车的发动机是主要的动力来源。
2. 2. The gas-poweredgenerator provides electricity to the community.
   燃气发电机为社区提供电力。
3. 3. Gas engines are moreefficient than diesel engines in some applications.
   在某些应用中，燃气发动机比柴油发动机更高效。