In the design and construction of super foundation pits, the athwart construction method is economical and effective.

 
  • 對于大型基坑的開(kāi)挖和地下結構的施工,采用逆作法是比較經(jīng)濟而且有效的。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan