信号: signal; semaphore; gun传令钟, 信号铃: telegraph gong机舱信号铃: jingle bell来车信号铃: annunciator bell信号铃记号: bell character信号铃拉绳: bell rope锁闭式信号铃系统: locked-bell system铸制声音信号铃: standard specification for bell cast sound signalling号铃索: check-string值勤号铃。: staff locator专用记号铃声,专用令牌环: dtr dedicated token ring信号: signal; semaphore; gun 音频[响] 信号 an audible signal; 臂板信号 [铁道] semaphore; 灯光信号 light signal; 识别信号 identification signal; 遇难信号 [航海学] distress signal; sos; 杂乱信号 [无线电] hash; 火车切不可越过危险信号。 a train must not pass a signal that is at danger. 信号是用旗或灯发出的。 signals are made with flags or lamps.; 信号弹 [工业] signal flare; 信号灯 signal lamp [light]; alarm lamp; light; signallight; winker; call lamp; blinker; telltale lamp; 信号发生器 signal generator; generator; producer; 信号枪 signal gun; signal piping; flare gun; flare pistol; pyrotechnic pistol; ground signal projector信号,发信号: signal信号板信号: panel signaling信号的信号: signals signal信号符号,信号: signal信号, 发信号, 用信号通知: signal1信号: one signalgps信号: gps signalskp信号: kp signalq信号: q signal“收据”信号: receipt signalα信号: alpha signal; signal alphaβ信号: signal betaδ信号: delta signal