Prestressed concrete box girder with its structural rigidity for good, smooth driving comfort, appearance handsome, conservation and has the advantages of simple engineering welcome.
预应力混凝土连续箱梁以其结构刚度好、行车平顺舒适、外形美观、养护简单等优点而备受工程界欢迎。
Prestressed concrete box girder with its structural rigidity for good, smooth driving comfort, appearance handsome, conservation and has the advantages of simple engineering welcome.
预应力混凝土连续箱梁以其结构刚度好、行车平顺舒适、外形美观、养护简单等优点而备受工程界欢迎。
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