perpendicularadj.垂直的；直立的；陡峭的n.垂直线perpendicular straight line垂直线Perpendicular administration垂直管理perpendicular susceptibility垂直磁化率perpendicularity measurement垂直度测量perpendicular magnetic films垂直磁化膜Perpendicular Ocean Platform垂直海面平台perpendicular scanning chord垂直扫描弦perpendicular reinforcing bar竖向钢筋perpendicular directional line垂直方向线perpendicular vapor phase pull气相垂直提拉