公开概念 · d423ffb9-f215-43c2-89df-a0cca104e8a8

緊急對講機—緊急時請先按對講機與行控中心聯絡

英语

Emergency Intercom: In an emergency, press the emergency intercom to communicate with operations control center.未评级

緊急對講機—緊急時請先按對講機與行控中心聯絡未评级