×
单选题
辅助起落架指地面上用于稳定飞机并防止因接触地面而遭受损坏的装置，包括减震支柱、防滑板、机轮等。
A
Supplementary Gear refers to devices used to stabilize the aircraft while on the ground and prevent damage by ground contact. Includes items such as actuating cylinders, plumbing, wheels, etc.
B
Supplementary Gear refers to devices used to stabilize the aircraft while on the ground and prevent damage by ground contact. Includes items such as shock strut, skid blocks, wheels, etc.
C
Supplementary Gear refers to devices used to stabilize the aircraft while on the ground and prevent damage by ground contact. Includes items such as bogie swivel unlock, valves, wheels, etc.
答案解析
正确答案：B
