digital telephone switching中文，digital telephone switching的意思，digital telephone switching翻译及用法

2026-09-23 17:45 浏览次数 28

digital telephone switching

数字电话

digital telephone switching 例句

英汉例句

  • Code for construction of railway SPC digital telephone switching engineering

    铁路数字程控交换通信工程施工规范

  • Regulation for design of railway digital telephone switching communication system

    铁路程控数字交换通信工程设计规定

  • Standard for quality inspection and assessment of railway digital telephone switching engineering

    铁路数字程控交换通信工程质量评定验收标準

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