radiotelegraph distress signal meaning in Chinese
无线电报呼救信号
Related Words
- radiotelegraph
- radiotelegraph operator
- radiotelegraph autoalarm
- radiotelegraph communication
- radiotelegraph procedure
- radiotelegraph circuit
- radiotelegraph certificate
- radiotelegraph watch
- radiotelegraph room
- radiotelegraph system
- radiotelegraph coverage
- radiotelegraph distress frequency
- radiotelegraph emission
- radiotelegraph installation