open web girder

例句：

1. 1.The engineer designed the bridge with an open web girder to enhance its load-bearing capacity.
   工程师设计了一座桥梁，采用了开敞式钢梁来增强其承重能力。
2. 2. The construction of this new building required the use of open web girders for structural integrity.
   这座新建筑的建设需要使用开敞式钢梁来保证结构的完整性。
3. 3. The open web girder system is widely used in modern buildings due to its strength and durability.
   由于其强度和耐用性，开敞式钢梁系统在现代建筑中得到了广泛应用。