Called Levytator, the invention has curved steps that allow to twist, bend and snake around corners in a continuous loop.
这款新发明名为“利维电动梯”，其每层阶梯边缘都是弯曲的，可以让一段闭合扶梯扭转、弯曲以及绕着角落蜿蜒而行。
Called Levytator, the invention has curved steps that allow to twist, bend and snake around corners in a continuous loop.
这款新发明名为“利维电动梯”，其每层阶梯边缘都是弯曲的，可以让一段闭合扶梯扭转、弯曲以及绕着角落蜿蜒而行。
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