您要查找的是不是：
- Capacity of Local Telephone Exchanges (unit) 市内电话交换机总容量(门)
- local telephone exchanger network 本地电话交换网
- local telephone exchange 市内电话交换机
- An operator at a telephone exchange. 电话局的接线员
- Our nervous system can be likened to a telephone exchange. 我们的神经系统好比一部电话交换机。
- Your local telephone number is also displayed on this screen. 本地电话号码也会显示在屏幕上。
- Your local telephone numbers is also displayed on this screen. 本地电话号码也会显示在屏幕上。
- An operator wearing earphone was sitting in the telephone exchange. 戴耳机的接线员正坐在总机室里。
- The nervous system can be likened to a telephone exchange. 神经系统好比一部电话交换机。
- Kathy uses a local telephone to call the U. S. Embassy in Stockholm. 凯西在斯德哥尔摩打了一通电话给当地的美国大使馆。
- For local telephone calls, please press 9 first and then dial the number. 若打本地电话,请按9,然后再拔号。
- The new switchboard shares much of the workload of the telephone exchange. 这台新式交换机大大的减少了交换台的工作量。
- PSTN (local telephone system)/VSAT circuits for voice and e-mail capability. PSTN（当地电话系统）/ 语音和电子邮件的小型卫星地面站（VSAT）电路功能。
- Our nervous system can be likened to a telephone exchanger. 我们的神经系统好比一部电话交换机。
- A local telephone service provider typically provides and bills for regional toll calls. 本地电话服务供应商会专门提供长途业务并收费。
- In a Centrex-based telephony system, the telephone company's central office acts as the telephone exchange. 在基于Centrex的电话系统中,电话公司的中央办公室是电话交换的中心。
- In a traditional infrastructure,calls get routed through a PBX and out to the local telephone operating company. 在传统的（电话）基础设施中，通话是通过用户电话交换机（PBX）进入路由、送至当地的电话运营公司。
- 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。
- Contact your local telephone company or phone system administrator for information. 请与当地电话公司或电话系统管理员联系。
- For example, with Centrex, the telephone exchange or telephone company's central office knows which extensions are internal. 例如,使用Centrex,电话交换机或电话公司的中央办公室将知道哪些分机是内部分机。
