emergency air compressor

例句：

1. 1. The emergency aircompressor was used to quickly inflate the tire.
   紧急空气压缩机被用来快速给轮胎充气。
2. 2. Duringan emergency, the aircompressor was the onlysource of power for the rescue team.
   在紧急情况下，空气压缩机是救援队唯一的动力来源。
3. 3. The air compressor was essential for maintaining the safety ofthe building during emergencies.
   空气压缩机对于保持建筑物在紧急情况下的安全至关重要。