microphonen.麦克风；扩音器microphone housing传声器外壳microphone element微音器元件microphone speaker传声话筒microphone capsule送话器碳精盒,话筒碳精盒microphone circuit微音器电路microphone detector麦克风接收器microphone position传声器位置microphone amplifie传声放大器microphone assembly传声器组件microphone location麦克风录音