基本解釋[交通運(yùn)輸工程]聲響訊號(hào)裝置詞組短語(yǔ)短語(yǔ)tone sound signalling device 復(fù)音聲響訊號(hào)裝置multi -tone sound signalling device 復(fù)音聲響訊號(hào)裝置sound signalling device更多詞組專業(yè)釋義交通運(yùn)輸工程聲響訊號(hào)裝置