signaling system
短语词组
- Signaling collection system 信令采集系统
- signaling monitor system 信令监测系统
- railway signaling indication system 铁路信号显示制式
- signaling monitoring system 信令监测系统
- signaling protocol system 信令协议系统
- signaling g system 信号系统
- CSCS Common Signaling Channel System 公共信令通道系统
- voice frequency signaling system 音频信令系统
- proprietary signaling system 私有信号系统 返回 signaling system