emergency telephone system meaning in Chinese

紧急电话系统

Gsm cdma emergency telephone system for highway
公路gsm cdma数字紧急电话系统
The specifications of wired - emergency telephone system of expressway
高速公路有线紧急电话系统技术要求
Provision of a cctv traffic surveillance system and an emergency telephone system
安装闭路电视交通监察系统和紧急求助电话
A 999 emergency telephone system with automatic emergency call number and location identification capability
有自动辨认紧急来电号码及位置功能的九九九紧急求助电话系统；
999 emergency telephone system with automatic emergency caller number and location identification capability
备有自动显示紧急来电号码及追寻地点功能的九九九紧急求助电话系统；

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