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1.A post that supports a handrail at the bottom or at the landing of a staircase.
楼梯柱在楼梯底部支撑扶手的地方收藏指正
2.the post at the top or bottom of a flight of stairs; it supports the handrail.
楼梯顶部或底部的支柱；用来支撑扶手。收藏指正
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