electrically controlled telephone exchange
全电子电话交换机系统 full electronic switching system 电子式电话交换机 electrically controlled telephone exchange 电子控制电话交换机 electronically controlled telephone exchange ..
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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.
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