telegraph
【电】 电报集线器
telegraph concentrator
暂无补充释义。
相关词条
dot-and-dash code telegraph transmitter
order telegraph apparatus
Nippon Telegraph &Telephone
telegraph distribution
optical telegraph system
subaudio telegraph
telegraph cable
telegraph concentrator
暂无补充释义。
telegraph
dot-and-dash code telegraph transmitter
order telegraph apparatus
Nippon Telegraph &Telephone
telegraph distribution
optical telegraph system
subaudio telegraph
telegraph cable