However, box girder cracking and long-term midspan deflection are the defects which commonly exist in the long-span prestressed concrete box girder bridge.

但箱梁开裂与跨中下挠是目前大跨预应力混凝土箱梁桥中普遍存在的病害。

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However, box girder cracking and long-term midspan deflection are the defects which commonly exist in the long-span prestressed concrete box girder bridge.

但箱梁开裂与跨中下挠是目前大跨预应力混凝土箱梁桥中普遍存在的病害。

youdao