The paper mainly discussed technical measure to raise strength of soil base and frost stability in frost area.

 
  • 本文主要論述提高冰凍地區零填與挖方路段土基強度冰凍穩定性采取的技術(shù)措施。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan