The overburden pressure is calculated accurately and normal trend line equations are determined during the prediction.

 
  • 然后在預測過(guò)程中,準確計算上覆巖層壓力,確定合適的正常趨勢線(xiàn)方程。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan