spatial steel frame

• 空间钢构架

spatial steel frame的用法和样例：

例句

1. These nonrestrictive units had concrete floors on an interior steel frame.
   这些非抗震单元在内部为钢构架上是水泥地板。
2. In buildings with a steel framework, the floors and roofs are usually of reinforced concrete.
   钢构架建筑物的楼板和屋顶通常也用钢筋混凝土。