shortrangenavigationsystem
美英
- un.肖兰近程导航系统；绍兰导航系统
shortrangenavigationsystemshortrangenavigationsystem
肖兰
2003 ... shortrangeaids 短程助航设备 shortrangenavigationsystem 肖兰 shortrangenavigation 短程导航系统 ...
shortrangenavigationsystem