The main bridge of Xiaoxihu Yellow River Bridge is a prestressed concr ete partial cable-stayed bridge whose span is 81.2m+136m+81.2m with double tower and single rank ropes.

 
  • 蘭州小西湖黃河大橋主橋為一聯(lián)(81.;2m+136m+81
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan