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楼梯一般多少个台阶_家居日记
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楼梯一般多少个台阶

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楼梯一般多少个台阶 楼梯台阶数量需根据楼层高度及踏步而定的，一般踏步标准高度在16cm左右，现在大部分住宅小区层高在2.9m左右，楼梯台阶可控制在18级内。具体


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