1.
automatic local exchange
市内电话自动交换机
2.
unit automatic exchange
内部自动电话交换机
3.
step-by-step system local automatic telephone exchange
步进制市内用自动电话交换机
4.
machine driven switching system
机动制自动电话交换机
5.
computer telephone exchange
电脑自动电话交换机
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.
private automatic telephone exchange
专用自动电话交换机
9.
code switch automatic telephone system
码条式自动电话交换机
10.
local automatic circuit exchange
市内自动线路交换机
11.
A private telephone exchange that automatically connects internal "branch" lines to the external circuits of a telephone system.
一种自动地将内部用户线连接到电话系统外线的专用电话交换机。
12.
identifier circuit
(自动电话交换机的) 识别电路
13.
all relay automatic telephone system
全继电器制自动电话交换机
14.
automatic switching of telegraph and telephone
电报-电话自动交换
15.
concourse-connection longitudinal-transverse auto-telephone exchange
汇接用纵横制自动电话交换机
16.
crossbar private automatic branch exchange system
纵横制自动电话小交换机
17.
Western panel type automatic telephone switch board
西部板式自动电话交换机
18.
Technical requirements of digital SPC automatic telephone exchange
GB/T15542-1993数字程控自动电话交换机技术要求