sweepback impeller后掠式叶轮;翻译
sweepback wing后掠翼;后掠机翼
sweepback agitator后掠形搅拌器;翻译
sweepback tail后掠尾翼
angle of sweepback后掠角;翻译;后掠角英语
sweepback low-wing后掠下单翼
sweepback space debris后掠飞片
sweepback k wing后掠机翼
N（名词） the rearward inclination of a component or surface, such as an aircraft wing, fin, etc 后掠角