Also known as: 階段, 楼梯, 阶梯, 台阶
A device composed of elevated stationary platforms that takes a person or object from one place to another, either higher or lower.
Also known as: 階段, 楼梯, 阶梯, 台阶
A device composed of elevated stationary platforms that takes a person or object from one place to another, either higher or lower.
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