短語詞組短語contact t microphone 接觸式揚(yáng)聲器skin -contact PCG microphone 皮膚接觸式心音微音器antinoise contact microphone 接觸式抗噪聲送話器;接觸式抗噪聲傳聲器anti -noise contact microphone 接觸式抗噪聲送話器 返回 contact microphone