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做铁楼梯怎么算踏步_家居日记
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做铁楼梯怎么算踏步

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做铁楼梯怎么算踏步 踏步的数量按公式，楼房总层高除以踏步的高度得知。通常楼梯踏步宽约250-300毫米，刚好满足人体重心，高度约280毫米。如果计算带有小数值，


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