?消音器

...消音器 absorbing duct; acoustic baffer; acoustic damper; acoustical damper; acoustical filter; antisqueak; ato-muffler; attenuator; auspufftopf; auto muffler; baffler; bumper; deafener; detuner; exhaust box; intake silencer; mulffer; noise damper; noise filter; noise muffler; noise reducer; quencher; quieter; silencedr; silencers; snubber; sonic precipitator; sound absorber; sound damper; sound muffler; sound suppressor; sourdine; suppressor 大增减音器 grand swell .