双向无线电通信系统怎么读
点击播放按钮播放发音:
Update Required
To play the media you will need to either update your browser to a recent version or update your Flash plugin.
- 双向无线电通信系统的英语：two-way radio communication system
- 双向无线电通信系统的法语：système de radiocommunications bidirectionnel
