noise-reducer nozzle

例句：

1. 1. The noise-reducer nozzle is designed to reduce the sound of air compressors.
   降噪喷嘴设计用来降低空气压缩机的声音。
2. 2. The engineer installed the noise-reducer nozzle in the factory's exhaust system.
   工程师在工厂的排气系统中安装了降噪喷嘴。
3. 3.The noise-reducer nozzle was a revolutionary tool for reducing noise pollution in factories.
   降噪喷嘴是减少工厂噪声污染的革命性工具。