英语词典
Through comparison of steel requirement for truss under different column spacing, the appropriate column spacing for the staggered-truss system was studied, and this provides reference basis for engineering design of staggered-truss system.
通过比较不同柱距下的桁架用钢量，研究交错桁架结构适宜的柱距，为交错桁架结构体系的工程设计提供参考依据。
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