科学技术名词为您提供手旗通信,signalling by hand flags;semaphore signalling,手旗通信的意思,signalling by hand flags;semaphore signalling的意思,手旗通信的英文,signalling by hand flags;semaphore signalling的翻译,手旗通信的翻译,手旗通信是什么意思,手旗通信什么意思,signalling by hand flags;semaphore signalling是什么意思,signalling by hand flags;semaphore signalling什么意思
