Terms for subject Communications containing 口信

Chinese	English
内部通信接口	internal communication interface
口声〔声频，话音〕信道	voice channel
通信接口	telecommunication interface
道口信号	level crossing signal
道口信号控制盘	level crossing signal control panel
道口信号机	level crossing signal
道口自动信号	automatic level crossing signal
道口遥信遥测设备	remote control crossing
道口遮断信号	level crossing obstruction signal
道口闪光信号	flashing signal of level crossing
道口防护无线电通信	radio communication for level crossing protection