短語詞組短語Pneumatic c loudspeaker 氣動(dòng)揚(yáng)聲器electro pneumatic loudspeaker tester 萬能電氣試驗(yàn)儀electro pneumatic loudspeaker retinograph 網(wǎng)膜電圖記錄器electro pneumatic loudspeaker stylus 電描畫針electro pneumatic loudspeaker reversing gear 電磁回動(dòng)裝置electro pneumatic loudspeaker pneumatic valve 電動(dòng)氣動(dòng)控制閥 返回 pneumatic loudspeaker