flap down meaning in English

垂下

The wake survey cannot be used to measure the drag of stalled airfoil or of airfoils with flaps down .
尾流测量不能用来测量失连状态下的冀型或襟翼偏转后的翼型阻力。
Nagase put your flaps down . that ' ll lower your airspeed . can you find your flap lever
把你的副翼放下来。可以减低你的速度。找得到你的副翼拱杆吗？
“ this guy has a little bit of problem . he ' s screwing , not real steady . . . . he ' s having a hard time maintaining serious air speed . he ' s got flaps down a little bit
这家伙遇到些麻烦了。他在摇晃，并不很稳。他很难控制住重要的空速。他放下一点襟翼。
A : “ this guy has a little bit of problem . he ' s screwing , not real steady . . . . he ' s having a hard time maintaining serious air speed . he ' s got flaps down a little bit
这家伙遇到些麻烦了。他在摇晃，并不很稳。他很难控制住重要的空速。他放下一点襟翼。