prestressed concrete beam bridge

短语词组

短语

• Prestressed concrete continuous beam bridge 预应力混凝土连续梁桥
• prestressed concrete truss beam bridge 预应力混凝土桁架梁桥
• double -decked prestressed concrete beam bridge 双层预应力混凝土梁桥
• prestressed concrete box -beam bridge 预应力混凝土箱梁桥
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