| 是否进口：否 | 产地：衡水力能 | 牌号：2323 |
| 品名：钢波纹涵管 | 型号：AD25.0 | 货号：234234 |
| 公称外径：1500mm | 材质：钢板 | 用途：公路隧道 |
| 壁厚：3mm | 结构形式：单壁波纹管 | 温度范围：120度 |
| 长度：3m | 品牌：力能 | 1500：Q345 |
Bowengangguanhan.
In highway construction, the history of using metal corrugated culvert instead of reinforced concrete culvert construction has been more than 100 years. In 1896, the United States took the lead in the feasibility study of metal corrugated culverts and culverts. Later, in the construction of highways in the United States, Canada, Australia and other countries, metal corrugated culverts were used for the
