Two additional electric movable stairways with controlled speed can be driven along the second stage and are integrated into the show.
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.
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。
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