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supersonic concept plane
طيران; الطائرات
A new Lockheed Martin concept plane that is able to fly up ...
longitudinal stringer
طيران; Aircraft maintenance
In the aircraft, is a stringer is a thin wooden or metallic ...
hypersonic technology vehicle (HTV-2)
طيران; الطائرات
An unmanned arrowhead-shaped hypersonic plane developed in ...
hybrid helicopter
طيران; الهليكوبتر؛ المروحيات
A helicopter with wings to attain much higher flying speed. ...
