基本解释[动力与电气工程]音频轨道电路词组短语短语coding system audio -frequency track circuit 编码制式音频轨道电路coded audio -frequency track circuit 电码音频轨道电路audio frequency -shift modulated track circuit 移频自动闭塞audio frequency track circuit更多词组专业释义动力与电气工程音频轨道电路