The prestressed concrete bridge in long-term operation service period, may appear the phenomenon of cracking and deflection.
预应力混凝土桥梁在长期运营服役期内，会出现开裂和下挠现象。
The prestressed concrete bridge in long-term operation service period, may appear the phenomenon of cracking and deflection.
预应力混凝土桥梁在长期运营服役期内，会出现开裂和下挠现象。
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