bridge framework

例句：

1. 1.The bridge framework is designed to support the weight of the bridge.
   桥梁框架设计用来支撑桥梁的重量。
2. 2.The new bridge framework has been built to improve traffic flow.
   新的桥梁框架已经建造出来，以改善交通流量。
3. 3.The bridge framework is made from steel and concrete, providing a strong and durable structure.
   桥梁框架由钢和混凝土制成，提供了坚固耐用的结构。