The soil was a silty clay with an intermediate plasticity and a medium expansion potential.

 
  • 試驗結果表明:該膨脹土原狀樣和壓實(shí)樣的剪脹勢隨著(zhù)吸力增加而增大。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan