roof plan

例句：

1. 1.The architect drew a detailed roof plan for the new building.
   建筑师为新建筑绘制了详细的屋顶平面图。
2. 2. The engineer used the roof plan to calculate the load-bearing capacity of the structure.
   工程师使用屋顶平面图来计算结构承载能力。
3. 3.The homeowner consulted with the contractor on the roof plan before starting construction.
   在开始施工之前，房主与承包商就屋顶平面图进行了咨询。