×
单选题
那些能在地面或水上支撑和控制飞机行驶方向，并能在飞行中收回和储存起落架的装置和部件，包括刹车、机轮、浮筒、门、减震支柱、轮胎、连杆、位置指示和告警系统。
A
Those units and components which furnish a means of supporting and steering the aircraft on the ground or water, and make it possible to retract and store the landing gear in flight. Includes brakes, wheels, floats, doors, shock struts, tires, linkages, position indicating and warning systems.
B
Those units and components which furnish a means of holding and controlling the aircraft on the ground or water, and make it possible to retract and store the empennage in flight. Includes brakes, wheels, floats, doors, shock struts, tires, linkages, posi
C
Those units and components which are used to stabilize and steer the aircraft on the ground or water, and make the landing gear fold away in flight. Includes brakes, wheels, floats, doors, shock struts, tires, linkages, position indicating and warning sys
答案解析
正确答案：A
