telegraphn.电报;电报机vt.打电报;显示
telegraphic keying发报
telegraph on radio无线电报
telegraph analyzer电报分析仪
telegraph alphabet电报符号表
telegraph exchange电报交换机
telegraph send hub发报中枢
telegraph operator电报员
telegraph printing文电打印
telegraph repeater电报帮电机
telegraph operatern.报务员