parallel baffle muffler

例句：

1. 1. The engineer designed a parallel baffle muffler to reduce noise from the factory's machinery.
   工程师设计了一个平行隔板消音器，以减少工厂机械产生的噪音。
2. 2.The car's engine compartment has a parallel baffle muffler installed to absorb sound.
   汽车发动机舱内安装了平行隔板消音器，以吸收声音。
3. 3.The construction workers used a parallel baffle muffler to protect their ears from the noisy environment.
   建筑工人使用平行隔板消音器来保护他们的耳朵免受嘈杂环境的影响。