chain exhaust box

例句：

1. 1.The chain exhaust box is designed to reduce noise and improve airflow in the engine compartment.
   链条排气箱的设计旨在减少噪音并改善发动机舱内的空气流通。
2. 2.The new model car features a more efficient chain exhaust box that can effectively remove harmful emissions.
   新款汽车配备了更高效的链条排气箱，能有效去除有害排放物。
3. 3. The chain exhaust box was installed to address concerns about excessive noise from the engine.
   安装链条排气箱是为了解决发动机产生的过度噪音问题。