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楼梯公式怎么算_家居日记
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楼梯公式怎么算

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楼梯公式怎么算 踏宽数=楼梯净长×踏步宽度(楼梯净长：等于踏步段水平投影净长，即扣减(墙)后的长度);踏步高度=楼梯高度×(踏步个数+1);梯板净宽=楼梯宽度扣


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