净宽三米七长四米五高三米六楼梯怎样做?
做双跑楼梯楼梯总步数22步,踏步长宽高1.7m*25cm*16.36cm,斜跨板空间长度2.5m,中间休息平台3.7m*1m,中间休息平台标高1.8m
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净宽三米七长四米五高三米六楼梯怎样做
- 做双跑楼梯楼梯总步数22步,踏步长宽高1.7m*25cm*16.36cm,斜跨板空间长度2.5m,中间休息平台3.7m*1m,中间休息平台标高1.8m
做双跑楼梯楼梯总步数22步,踏步长宽高1.7m*25cm*16.36cm,斜跨板空间长度2.5m,中间休息平台3.7m*1m,中间休息平台标高1.8m