电子技术使得电话交换机可以处理大批量的电话用户。

Electronic technology enables telephone exchanges to cover an ever increasing number of telephone communications.

youdao

本文提出研制新型的基于CAN总线的数字程控交换机替换原有的全电子式自动电话交换机。

This article is proposed to develop a new type of digit programme-controlled telephone switching board which is based upon the CAN bus to replace the old automatic telephone switchboard.

youdao

本文提出研制新型的基于CAN总线的数字程控交换机替换原有的全电子式自动电话交换机。

This article is proposed to develop a new type of digit programme-controlled telephone switching board which is based upon the CAN bus to replace the old automatic telephone switchboard.

youdao