| 单词 | telephone exchange |
| 释义 | telephone exchange【电】 电话交换机 telephone exchange telephone exchange n.（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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