Real Time Drilling Datum System and Its Application on Development We ll of Slim Hole in the Marginal Oilfield in Daqing Oilfield是什麼意思_Real Time Drilling Datum System and Its Application on Development We ll of Slim Hole in the Marginal Oilfield in Daqing Oilfield在線翻譯_英語_讀音_用法_例句