printing-telegraph code[通信] 印刷电报电码
printing g telegraph印字电报机
printing g telegraph apparatus印字电报设备
start stop printing telegraph[通信] 起止式印刷电报
printing telegraph a aratus印字电报设备
printing telegraph equipment打字电报设备
baudot printing telegraph博多打字电报
hughes printing telegraph休斯印字电报机
type printing telegraph打字电报机;印字电报