-
The steel-structure bridge deck is three-span, and each one is welded separately with bolt connection.
三跨的人行桥的桥面为钢结构,总共三段,每段分开焊接制作,通过螺栓连接。
youdao
-
The steel-structure bridge deck is three-span, and each one is welded separately with bolt connection.
三跨的人行桥的桥面为钢结构,总共三段,每段分开焊接制作,通过螺栓连接。
youdao