Warning: file_put_contents(/www/wwwroot/ppbbu/28094.com/cache/9b28ae41403dba0c86bfd73847d3142d.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/28094.com/index.php on line 55 radioaltimeter是什么意思，radioaltimeter的翻译，radioaltimeter音标、读音、用法和例句_贰靶汉英词典
The navigation and avionics are probably from domestic sources.The navigation system consists of radioaltimeter, doppler radar and GPS. 導航和電子設備可能來自國內，導航系統包括無線電測高計、多普勒雷達、GPS。