英语词汇telephone exchange怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	telephone exchange
释义	telephone exchangen.（名词） A central system of switches and other equipment that establishes connections between individual telephones. Also called switchboard 电话交换机：由在个人电话之间建立联系的转换器和其它装备组成的中央系统也作 switchboard
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