翻译:垂直等分线 同义词1)perpendicular at midpoint,垂直等分线2)vertical parting line,垂直分型线3)perpendicular bisector,垂直平分线;中垂线4)vertical branch cut integration,垂直割线积分5)sectionalized vertical antenna,分段垂直天线6)vertical velocity curve,临垂直分布曲线