sansei造句

• Light steel is the sansei construction , which is adopted got - up h type steel , thin cliff cold blending c , z type steel combination or construction framework , the roof and the wall body are adopted color coat die - mould steel board or sandwich color board , which already replaces the traditional armored concrete build in developed countries
  轻钢结构是第三代建筑，它采用制作h型钢及薄壁冷弯c 、 z型钢组合或建筑骨架，层面和墙体采用彩色涂层压型钢板或夹芯彩板，在发达国家已基本取代传统的钢筋混凝土建筑。