... desk switchboard 台式配电板; 台式配电盘 digit switching 数字交换 digital switch 数字开关 ...
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gap digit switching 合
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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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