rotorcraft造句怎么写

Operates about 5, 800 helicopters. New rotorcraft purchases are not part of this effort, Gates aides say.

Sea trials of the demonstrator are planned for 2012 using a French Navy frigate and a Boeing, H-6U Unmanned Little Bird rotorcraft.

The output tracking control design of the rotorcraft based on nonlinear inverse dynamics was described.

If selected, Boeing will build the Apache helicopters at its rotorcraft facility in Mesa, Ariz., and the Chinook helicopters at its rotorcraft center in Ridley Park, pa.

AHS members cover the entire spectrum of the international rotorcraft industry including representatives from government, military, civil operators, engineers, management, and academia.