aggregate telegraph signal

  • 集合电报信号

aggregate telegraph signal的用法和样例:

例句

  1. He was already an expert on the telegraph before he came up with a gadget that sent telegraph signals between unmanned stations.
    他发明的这种装置,用于在无人看管的两站之间传输电报信号,在此项发明前,爱迪生就已经是位电报专家了。

aggregate telegraph signal的相关资料:

临近单词

目录 查词历史