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襟翼
[航空] wing flap ◇襟翼保护开关 flap-protection switch; 襟翼操纵线路 flap runs; 襟翼导轨 flap tracks; 襟翼动作器 flap a...  detail>>
放襟翼
drop flaps extend flaps flap extension flaps down lower flaps  detail>>
襟翼段
flap section  detail>>