名词 vertical fin:

1. a stabilizer that is part of the vertical tail structure of an airplane

vertical jig垂直装配架verticaladj.垂直的；纵向的；顶点的n.垂直物；垂直的位置vertical sand pump立式砂泵vertical saw frame立式锯架vertical geostress垂直地应力vertical stripping竖分条vertical optimeter立式光电比色计vertical fractures垂直裂缝vertical clearance竖向净空,垂直间隙vertical hierarchy垂直层次结构vertical stretching垂直伸展vertical constraint垂直性约束