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单选题
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.
A
Those units and components which provide a way to stabilize and fix the aircraft on the ground or water, and it is feasible 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 can be used to support and control the aircraft on the ground or water, and it is likely to reclaim and reserve the landing gear in flight. Includes brakes, wheels, floats, doors, shock struts, tires, linkages, position indicating and warning systems.
C
Those units and components which furnish a means of fixing and steering the aircraft on the ground or water, and make it possible to retract and put the landing gear down in flight. Includes brakes, wheels, floats, doors, shock struts, tires, linkages, position indicating and warning systems.
答案解析
正确答案：B
