code for structural design

• 结构设计规范

code for structural design的用法和样例：

例句

1. Can specify system design specifications.
   能够指定系统设计规范。
2. Compared with the railway bridge and culvert design specifications, the box beam structure design and construction method are seen rational and feasible.
   通过有限元分析结果与铁路桥涵设计规范的比较得出，该箱梁结构设计合理，施工方案可行。