Abstract: The surrounding concrete of steel spiral case in the power station of Three Gorges Project(TGP) is constructed by means of keeping aspecific level of internal pressure during construction.

 
  • 摘要: 防滲墻墻體槽段的連接部位是防滲墻防滲的薄弱環(huán)節,其連接質(zhì)量是保證防滲墻整體防滲效果的關(guān)鍵,決定著(zhù)防滲墻的成敗。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan