通信工题库汇编 2022-05-25

铁路通信系统包括( )

发布于 2021-03-23 11:47:54

【单选题】
A 列车调度电话
B 列车无线调度电话
C 其他铁路专用通信设备
D 列车调度电话、列车无线调度电话、站内无线调度电话、其他铁路专用通信设备

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MrCheng 2023-03-23

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这家伙很懒，什么也没写！

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