long-span steel framing

例句：

1. 1. The new bridge is designed with long-span steel framing, ensuring stability and durability.
   这座新桥采用了长跨度钢框架设计，确保了稳定性和耐用性。
2. 2. The construction of this building uses long-span steel framing, which helps to reduce the weight and increase efficiency.
   这座建筑的建设使用了长跨度钢框架，有助于减轻重量并提高效率。
3. 3. The engineers carefully analyzed the structural integrity of the long-span steel framing during the construction process.
   工程师们在施工过程中仔细分析了长跨度钢框架的结构完整性。