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单词 telephone exchange
释义 telephone exchangen.(名词)
  1. 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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更新时间:2025/3/29 10:25:15