步进制自动电话系统
step-by-step automatic telephone system
长途电话计费系统
toll message accounting system
船舶自动电话系统
automatic ship’s service telephone system
电话自动计费器
automatic telephone charging equipment
全继电器制自动电话系统
all relay automatic telephone system
all trunks-busy cyclic retest
自动电话系统
automatic telephone system
dial telephone system
telephone system
autotelephone system
Automatic
北欧移动电话系统
NMT Nordic Mobile Telephone system
大容量移动电话系统
high-capacity mobile telecommunications system
HCMTS High – Capacity Mobile Telephone System
泛欧数字式行动电话系统
global system for mobile communication
泛欧行动电话系统
global system for mobile communication
蜂巢式行动电话系统
cellular mobile telephone systems
蜂窝式移动电话系统
Cellular mobile telephone network
蜂窝移动电话系统
cellular mobile telephone system
该进型移动电话系统
IMTS Improved mobile telephone system
高级移动电话系统
175Hz
Advanced Mobile Phone System AMPS
集群移动电话系统
trunked mobile communication system
进阶行动电话系统
Advanced mobile phone system