staircase chart

例句：

1. 1. The architect drew a detailed staircase chart for the new building.
   建筑师为新大楼绘制了详细的楼梯图。
2. 2.The engineer used a staircase chart to guide the construction workers.
   工程师使用楼梯图指导施工工人。
3. 3. The architect's staircase chart was featured in the local architectural magazine.
   建筑师的楼梯图被刊登在当地的建筑杂志上。