Considering the measured spectrum and APU equipment,a microporous muffler is used for reducting of APU exhaust noise. The measured results show that the effect of microporous muffler for noise reduction of APU exhaust is very satisfactory.是什么意思_Considering the measured spectrum and APU equipment,a microporous muffler is used for reducting of APU exhaust noise. The measured results show that the effect of microporous muffler for noise reduction of APU exhaust is very satisfactory.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句