喷气发动机消声器 jet noise suppressor
汽车发动机消声器 Automobile Motor Muffler ; car engine muffler
汽车发动机消声器进排气管 automobile engine muffler intake and exhaust pipe
催化转换器提供一种处理废气的方法。催化转换器位于排气系统中，在发动机和消声器之间。
Catalytic converters provide the method of treating exhaust gases. Catalytic converters are located in the exhaust system, between the engine and the muffler.
消声器把发动机的噪音消弭了。
发动机排气噪声是汽车噪声中一个主要声源，消声器是控制排气噪声的一个重要方法。
Engine exhaust noise is one of the main sources of automobile noise, and using of silencer is an important method controlling exhaust noise.
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