短语词组短语senior signalman 号目ordinary signalman 英国〕三等信号兵Signalman Training 通信兵训练block signalman 线路所值班员signalman engineering [军]通信兵工程fog signalman 雾信号员signalman -signalmen 信号员chief of signalman 司号官 返回 signalman