interband telegraphy
电 带际电报术… Read the rest
电 带际电报术… Read the rest
*[ti’legrәfist]
n. … Read the rest
*[ti’legrәfәun]
n. … Read the rest
*[ti’legrәfi]
n. … Read the rest
电 电报交换机… Read the rest
计 邮政电话与电报… Read the rest
经 汇票及电汇, … Read the rest
计 频分多路复用电报系统… Read the rest
电 有线电报… Read the rest