The two main wheels are positioned on either side of the fuselage. When the third wheel is located on the nose, the airplane is said to have _______ gear.
A.conventional
B.tricycle
C.bicycle
D.retractable
正确答案是B
The two main wheels are positioned on either side of the fuselage. When the third wheel is located on the nose, the airplane is said to have _______ gear.
A.conventional
B.tricycle
C.bicycle
D.retractable
正确答案是B