portable stairs ; movable stairs
可移动楼梯 movable stairs
基于1个网页-相关网页
两个额外的速度可控的电动可移动楼梯能够在第二舞台间自由移动，与演出融为一体。
Two additional electric movable stairways with controlled speed can be driven along the second stage and are integrated into the show.
youdao
应用推荐
模块上移
模块下移
不移动