To the problems occurring at using down hole mechanical sample n oil and gas wells, aptitude microelectronic high pressure sample has been studied.

 
  • 針對油氣井井下機械取樣器在使用過(guò)程中出現的問(wèn)題,研究開(kāi)發(fā)出了智能型微電子高壓物性取樣器。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan