vertical support

• 立式支座

vertical support的用法和样例：

例句

1. One of the vertical supports of a handrail on a staircase.
   楼梯栏杆小柱楼梯扶手的垂直支撑之一
2. A vertical support at the center of a circular staircase.
   螺旋楼梯中柱环行楼梯中间的垂直支撑