- radio navigational device
- 无线电导航: radio navigation
- 装置: installation; device; appara ...
- 【航空】无线电导航(着陆)装置。: talking-down system
- 无线电导航: maritime radio navigation; navigation radio; radio aid to navigation; radio aids; radio air navigation; radio guidance; radio navigation guidance; radio navigation=radionavigation; rn radio navigation
- 无线电导航的: radionavigational
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