1.
portable magneto-telephone switch board
便携式磁石电话交换机
2.
floor pattern magneto telephone switchboard
磁石落地式电话交换机
3.
computer telephone exchange
电脑自动电话交换机
4.
common battery exchange
共电制电话交换机局
5.
electronically controlled telephone exchange
电子控制电话交换机
6.
semielectronic telephone switching system
半电子制电话交换机
7.
machine driven switching system
机动制自动电话交换机
8.
automatic local exchange
市内电话自动交换机
9.
automatic toll switching system
长途电话自动交换机
10.
ESSEX (Experimental Solid State Exchange)
实验固体电话交换机
11.
crossbar automatic telephone system
纵横制自动电话交换机
12.
unit automatic exchange
内部自动电话交换机
13.
private automatic telephone exchange
专用自动电话交换机
14.
time multiplex telephone exchange
时分多路电话交换机
15.
railway telephone exchange
铁路专用电话交换机
16.
code switch automatic telephone system
码条式自动电话交换机
17.
A section of a telephone switchboard.
电话总机板电话交换机的一部分
18.
An Introduction to Transformation of the Excitation System for a Dynamo;
矸石电厂2#发电机改换励磁系统简述