radiotelegraphy
短语词组
- Radiotelegraphy sets 成套无线电报机
- RadioTelegraphy RTG 无线电报
- multiplex radiotelegraphy [通信]多路无线电报学
- NBDP radiotelegraphy 窄带印字电报
- radiotelegraphy technology spread 无线电报技术传播
- aircraft radiotelegraphy station 机载无线电报台
- station aircraft radiotelegraphy 机载无线电报台
- cargo shisafety radiotelegraphy certificate 货船安全无线电报证书 返回 radiotelegraphy