It should have high density so as to balance pressure and improve the displacement efficiency in the well cementation for more and more high-density drilling fluid used in complex deep wells.是什么意思_It should have high density so as to balance pressure and improve the displacement efficiency in the well cementation for more and more high-density drilling fluid used in complex deep wells.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句