cross-sectional design

例句：

1. 1.The new bridge's cross-sectional design is highly efficient for traffic flow.
   这座新桥的横截面设计对交通流非常高效。
2. 2. The structural engineer used a cross-sectional design to optimize the load distribution.
   结构工程师采用了一种横截面设计来优化载荷分布。
3. 3. The architect proposed a cross-sectional design that would reduce energy consumption.
   建筑师提出了一种横截面设计，以减少能源消耗。