100 line telephone exchanger
100门共电交换机
common battery exchange
共电制电话交换机局
With 22.21 million lines added, the office exchange capacity stood at 135 million lines.
局用电话交换机容量新增2221万门，达到1.35亿门。
In data communication, the connection through the public switched telephone network from a terminal to a service, network or computer.
数据通信中，通过公共电话交换网，实现一个终端和一个服务部门、网络或计算机的连接。
The Real-time Calculable System among Long-range Telephone on Computer and Exchange;
微机与程控交换机实现远程多门电话实时计费
computer telephone exchange
电脑自动电话交换机
electronically controlled telephone exchange
电子控制电话交换机
semielectronic telephone switching system
半电子制电话交换机
machine driven switching system
机动制自动电话交换机
There are685,000 users of the internet over the city.
年末电话交换机总容量431.4万门，计算机互联网络用户68.5万户。
By the end of 2001, total capacity of public network exchanges for fixed telephones reached 7.25 million gates,up by 19.4 percent over the previous year;
年末全市公众网固定电话交换机容量达725万门，比上年增长19.4%；
teleprinter switching network
电传打字机交换网络
telex telegraph exchange
用户电报直通交换机
naval teletype exchange
海军电传打字交换机
automatic local exchange
市内电话自动交换机
automatic toll switching system
长途电话自动交换机
automatic telex exchange
自动用户电报交换机
ESSEX (Experimental Solid State Exchange)
实验固体电话交换机