指示信号 meaning in English
index signal
indicator signal
pilot signal
Examples
- Administration unit alarm indication signal au - ais
管理单元告警指示信号 - Multiplex section alarm indication signal ms - ais
复用段告警指示信号 - Ms - ais : mutiplex section - alarm indication signal
复用段告警指示信号 - Fixed railway installations . fog signal
铁路固定设备.雾灯指示信号 - Tributary unit alarm indication signal tu - ais
支路单元告警指示信号