专用通信信道 meaning in English
private communication channel
Examples
- Alarm systems - part 7 - 12 : message formats and protocols for serial data interfaces in alarm transmission systems ; ptt interfaces for dedicated communications channels using itu - t recommendation v . 23 signalling
警报系统.第7 - 12部分:警报传输系统串行数据接口的信息格式和协议.使用itu - t推荐v . 23信令的专用通信信道的ptt接口