Information transmission between ground and down hole is the of key the closed-loop control system of wellbore trajectory.

 
  • 地面與井下的信息傳輸是井眼軌道自動(dòng)閉環(huán)控制的核心。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan