基本解釋[動力與電氣工程]音頻軌道電路詞組短語短語coding system audio -frequency track circuit 編碼制式音頻軌道電路coded audio -frequency track circuit 電碼音頻軌道電路audio frequency -shift modulated track circuit 移頻自動閉塞audio frequency track circuit更多詞組專業(yè)釋義動力與電氣工程音頻軌道電路