1.
Research and Realization of the Supporting Platform of Manual Telephone Exchange Net;
人工电话交换网支撑平台的研究与实现
2.
The Telephone: Men see the telephone as a communications tool.
电话：男人把电话看做是交流的工具。
3.
unattended automatic exchange
无人值班自动电话交换台
4.
automatic switching of telegraph and telephone
电报-电话自动交换
5.
computer telephone exchange
电脑自动电话交换机
6.
common battery exchange
共电制电话交换机局
7.
electronically controlled telephone exchange
电子控制电话交换机
8.
electronic telephone switching system
电子式电话交换系统
9.
semielectronic telephone switching system
半电子制电话交换机
10.
Code for design of railway SPC digital switching engineering
铁路时分数字程控电话交换工程设计规范
11.
cross office switching time
交叉电话局转换时间
12.
automatic local exchange
市内电话自动交换机
13.
automatic toll switching system
长途电话自动交换机
14.
ESSEX (Experimental Solid State Exchange)
实验固体电话交换机
15.
crossbar automatic telephone system
纵横制自动电话交换机
16.
unit automatic exchange
内部自动电话交换机
17.
private automatic telephone exchange
专用自动电话交换机
18.
time multiplex telephone exchange
时分多路电话交换机