|
项目 Item |
内容 Content |
|---|---|
| 标准代码 Standard Code |
GB/T 37439-2019 |
| 标准类别 Standard Class |
GB |
| 标准中文名称 Standard English Title |
高速铁路预制后张法预应力混凝土简支梁 |
| 标准英文名称 Standard Chinese Title |
Precast post-tensioned prestressed concrete simply-supported beam of high-speed railway |
| 订购 Order |
 |