英语词汇“telephone exchange”是什么意思，“telephone exchange”的读音、用法及例句翻译-乐坝网

词汇	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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