programme-controlled switchboard 程控交换台
telephone program-controlled switchboard 电话程控交换机
program-controlled telephone switchboard 程控交换台
Program-controlled switchboard 程控交换台
program controlled switchboard 程控交换机
controlled telephfirst switchboard 程控交换台
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.
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。
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