spatial steel frame是什么意思 spatial steel frame怎么读
spatial steel frame的用法和样例
- 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。 - 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。
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