prestressed simple box girder
prestressed simple box girder
预应力简箱梁
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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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