Public Swithed Telephone Network中文,Public Swithed Telephone Network的意思,Public Swithed Telephone Network翻译及用法

2026-04-14 02:41 浏览次数 29

Public Swithed Telephone Network

电话交换网

Public Swithed Telephone Network 例句

英汉例句

  • PSTN Public Swithed Telephone Network

    公共电话交换网络

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