prestressed concrete girder bridge

短语词组

短語

• curved prestressed concrete girder bridge 預應力曲線梁橋
• prestressed concrete continuous girder bridge 預應力混凝土連續梁橋
• prestressed concrete plate girder bridge 低高度預應力混凝土板梁
• prestressed concrete box girder bridge 預應力混凝土箱梁橋
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