声谱仪acoustic spectroscope;sonograph;sound spectrograph详细»
声谱仪sound spectrometer详细»
声谱仪acoustic spectroscope;sonograph;sound spectrograph详细»
声谱仪acoustic spectrograph;acoustic spectroscope;acoustical spectrograph;acoustical spectroscope详细»
声谱仪sonograph;sound spectrograph详细»
声谱仪sound spectrograplh;tonspectrograph详细»