pumped gas

例句：

1. 1. The car's engine is running on a mixture ofpumped gas and petrol.
   这辆车的引擎是用压缩气体和汽油混合运行的。
2. 2. The engineer used the pumped gas to inflate the tire.
   工程师用压缩气体给轮胎充气。
3. 3. Thefactory uses pumped gas for its productionprocess.
   这家工厂使用压缩气体进行生产。