1.
code switch automatic telephone system

码条式自动电话交换机
2.
machine driven switching system

机动制自动电话交换机
3.
computer telephone exchange

电脑自动电话交换机
4.
Western panel type automatic telephone switch board

西部板式自动电话交换机
5.
automatic local exchange

市内电话自动交换机
6.
automatic toll switching system

长途电话自动交换机
7.
crossbar automatic telephone system

纵横制自动电话交换机
8.
unit automatic exchange

内部自动电话交换机
9.
private automatic telephone exchange

专用自动电话交换机
10.
electronic multiple automatic exchange

电子复式自动交换机
11.
identifier circuit

(自动电话交换机的) 识别电路
12.
all relay automatic telephone system

全继电器制自动电话交换机
13.
Subscriber line signalling system for telephone automatic switching network

GB3378-1982电话自动交换网用户信号方式
14.
automatic switching of telegraph and telephone

电报-电话自动交换
15.
relay automatic telephone system

继电器式自动电话交换制;继电器式自动电话系统
16.
Generic specification for stored program control analogue private automatic branch telephone exchange system
GB/T14716-1993程控模拟用户自动电话交换机通用技术条件
17.
Generic specification for stored program control digital private automatic branch telephone exchange system
GB/T14381-1993程控数字用户自动电话交换机通用技术条件
18.
step-by-step system local automatic telephone exchange

步进制市内用自动电话交换机