单词盒子

manual switchboard

M 开头单词

基本解释

  • 人工交换机

英汉例句

    权威例句

  • When computerized dialing systems were introduced, they replaced the need for manual telephone switchboards and, consequently, the switchboard operators that ran them.
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词组短语

    短语

  • manual telephone switchboard 人工电话交换机
  • manual toll switchboard 长途人工接续台
  • manual common battery switchboard 人工共电式交换台
  • manual multiple type switchboard 人工复式交换台

专业释义

    电子、通信与自动控制技术

  • 人工交换台
  • 人工交换机
  • 人工总机
  • 人工交换总机

    • 机械工程

  • 人工交换电盘