There are two conditions in the data analysis of piezometric tube observation: confined seepage flow and unconfined seepage flow.

 
  • (2)建立大壩有壓滲流觀(guān)測資料的統計分析模型。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan