telegraphern.报务员；电报员telegraphn.电报；电报机vt.打电报；显示telegraph reversal signal电报反向信号telegraph instrument room报房telegraphic code inverter电报电码变换器telegraph vibrating relay电报振动继电器telegraphic transfer rate电汇汇率telegraph for her to come拍电报要她来telegraph supervisory set电报监控机telegraph call processing电报呼叫操作法telegraph system anlayzer电报系统分析器telegraph circuit phantom[电] 幻通电报电路