栏杆作为结构梁架，使楼梯保持直立，同时两个减震器有助于减轻脚下台阶的震动。

The railings serve as structural beams to keep the staircase upright, while two dampers help to prevent the staircase from vibrating under foot.

youdao

栏杆作为结构梁架，使楼梯保持直立，同时两个减震器有助于减轻脚下台阶的震动。

The railings serve as structural beams to keep the staircase upright, while two dampers help to prevent the staircase from vibrating under foot.

youdao