翻译:垂直平分线,中垂线 同义词1)perpendicular bisector,垂直平分线;中垂线2)VCL (Vertical Center Line),垂直中心线3)perpendicular at midpoint,垂直等分线4)vertical parting line,垂直分型线5)vertical line through center of gravity,垂直垂心线6)plumb line,铅垂;垂直线