light weight steel shape

例句：

1. 1.The new design of the car has a lighter weight steel shape that makes it more fuel-efficient.
   这款新车采用了更轻量级的钢形状设计，使其更加节能。
2. 2. The architect designed the building with a light weight steel shape to maximize natural light and reduce energy consumption.
   建筑师设计这座建筑时采用了轻量级钢形状，以最大限度地利用自然光并减少能源消耗。
3. 3. The construction industry is moving towards using lighter weight steel shapes to reduce material waste and improvesustainability.
   建筑业正朝着使用轻量级钢形状的方向发展，以减少材料浪费并提高可持续性。