飞机( airplane的名词复数 )；
Missile deflector for airplanes
Flying Qualities of piloted airplanes
Factors Affecting the Cost of Airplanes
NASA honors top-flight electric airplanes
Equipment designed to exterminate insects in airplanes
Learning More by Crossing Levels: Evidence from Airplanes, Hospitals, and Orchestras
Slacks-based measure of efficiency of airports with airplanes delays as undesirable outputs
The aerodynamic design of multi-element high-lift systems for transport airplanes
Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes Equipped with Certain Litton Air Data Inertial Referenc...
Airworthiness Directives; The Boeing Company Model 747-200B, -300, -400, -400D, and -400F Series Airplanes Powered by Pratt and Whit...