concentric cylinder muffler

例句：

1. 1. The car's engine is equipped with a concentric cylinder muffler to reduce noise.
   这辆车的发动机配备了一个同心圆柱消音器，以减少噪音。
2. 2. The engineer used a concentric cylinder muffler to improve the sound quality of the music.
   工程师使用了一个同心圆柱消音器来提高音乐的声音质量。
3. 3. The construction workers installed a concentric cylinder muffler in the factory to protect the workers from noise pollution.
   建筑工人在工厂安装了同心圆柱消音器，以保护工人免受噪声污染。