Ta老师题库
A.military aircraft
A.military aircraft
B.helicopter
C.airship
D.hot air balloon
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Usually the engines are attached under the wings, but, in the caseThe components in common of an aircraft are f（）, wing, （）, （）, and powerThe components in common of an aircraft are fuselage, wing, empennAirplanes come in many different shapes and sizes depending on theIn the case of the modern aircraft, the two side engines are mountEach airline has its own policy regarding the amount of hand luggaCargo is transported by ship, boat or aircraft but not by containe