diagonal section

例句：

1. 1. The engineer drew a diagram of the building's diagonal section.
   工程师绘制了建筑物对角线部分的示意图。
2. 2. The carpenter used a saw to cut a diagonal section of the wooden beam.
   木匠用锯子切割了一根木梁的对角线部分。
3. 3. The structural engineer analyzed the stresses in the building's diagonal sections.
   结构工程师分析了建筑物对角线部分的应力。