Large-span arch truss steel bridge is a common superstructure of trestle bridge on open sea.

大跨度拱桁式钢引桥是外海开敞式深水码头栈桥常用的上部结构型式之一。

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Large-span arch truss steel bridge is a common superstructure of trestle bridge on open sea.

大跨度拱桁式钢引桥是外海开敞式深水码头栈桥常用的上部结构型式之一。

youdao