常見例句雙語例句Pick up drill stem test tool.提起鑽柱測試工具。blog.sina.com.cnThis paper discusses the prediction of the drill stem torque and bit forward direction in an offshore horizontal well by nonlinear FEM.探討了非線性有限元在預測水平井鑽進中的鑽柱扭矩及鑽頭前進方曏的應用。It is very important for improving drilling rate, reducing drilling cost and safety drilling to carry out drill stem failure analysis and prevention.開展油田鑽柱失傚分析與預防對提高鑽井速度、降低鑽井成本及井下安全鑽進具有重要意義。權威例句So, for example, when they said they would drill one relief well to stem this leak we demanded a backup and ordered them to drill two.WHITEHOUSE: Deepwater BP Oil Spill: Presidential Press Conference 返回 drill stem