steel composite construction

例句：

1. 1. Thesteel composite structure of the bridge is strongand durable.
   这座桥的钢复合结构既坚固又耐用。
2. 2. The steel composite structureof the building is energy-efficient andenvironmentally friendly.
   这座建筑的钢复合结构既节能又环保。
3. 3. Thesteel composite structure of thebridge is designed to withstandheavy loads.
   这座桥的钢复合结构设计用来承受重载。