载波电话终端机

  • 网络carrier telephone terminal;carrier communication
载波电话终端机载波电话终端机
  1. 三路电子管载波电话终端机

    Valve 3-channel carrier telephone terminal equipment

  2. 数字载波电话终端机

    Digital carrier telephone terminal machine

  3. 终端甚高频全向无线电信标明线12路晶体管载波电话终端机

    Open-wire 12-channel carrier telephone terminal equipment