单词hinged flap
un.: 摺合板网络: 铰接式襟翼;铰组织瓣
摺合板
Whereas, on an airplane the wings are built with a hinged flap that is normally controlled manually from the cockpit.
而飞机的机翼却是由铰接式襟翼构成,通常由驾驶人员手动控制。
Hinged flap for working floors and walkways
过道地板和通道用带铰链的盖板