vertical support的意思

汉语翻译

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