beam angle

例句：

1. 1. The beam angle of the roof is critical for stability.
   屋顶的梁角度对稳定性至关重要。
2. 2. The engineer measured the beam angle to ensure structural integrity.
   工程师测量了梁角度以确保结构完整性。
3. 3.The beam angle affects the weight distribution on the roof.
   梁角度影响屋顶上的重量分布。