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- optimal drilling path 最佳走刀路径
- IRN artificial neural networks method is used in optimal drilling pressure model initiatively. 首次运用了IRN神经网络建立钻压优化模型。
- Conclusions The posterior and inferior quadrant of the footplate may be the optimal drill area for the fenestra. 结论镫骨足板的后下象限可能为足板开窗的最佳位置。
- It has presented the index of drilling efficiency expressed by the ration of penetration rate and matrix wear,this determing the optimal drilling parameters based on the latter index. 提出了表示机械钻速和钻头胎体磨损关系的钻探效果指标，并根据后者确定出了规程参数最优值。
- Formation pressure detection while drilling is one of major means to realize optimizing drilling. 随钻地层压力检测是实现优化钻井的主要手段之一。
- Study on Optimal Drilling Bits in North of Erdos 鄂北地区钻头优选探讨
- Drillability of rocks is the foundation of selecting and designing drill bits rationally, and optimizing drilling recommendations. 摘要岩石的可钻性是合理选择和设计钻头、优选钻进参数的重要依据。
- The reasonable selection for drilling fluid rheological model and the precise calculation for rheological parameters is the preconditions for optimizing drilling fluid design. 钻井液流变模式的合理选择和流变参数的准确计算是钻井液优化设计的前提。
- Different deflection rates are utilized to optimize drilling quality according to different sections of wells during directional, horizontal and ERD drilling operations. 在定向井、大斜度井、水平井等特殊工艺井中,为优化井身质量,不同井段的造斜率可能会不同。
- The drilling troops mustered on the hill. 演习部队在小山上集合起来了。
- THE MATHEMATICS RELATION OF DRILL-HOLE DEPTH AND DIP ANGLE AND DRILLING PATH CONTRALE 水平孔孔深和倾角的数学关系及钻孔轨迹控制
- The workman is drilling in the wall. 工人正在墙上打孔。
- Drilling is cutting a hole with a drill. 钻削就是用钻头钻一个孔。
- At six we were fallen in for drill. 六点钟我们站好队准备操练。
- The noise of the drilling is intolerable. 钻孔的噪音让人受不了。
- The sound of that drill jangles horribly on the nerves. 那台钻机的声音响极了，十分刺耳。
- You'd better set a goal before you start the drill. 练习开始前，你最好设定一个目标。
- After a long drill he told the squad to fall out. 操练了好半天之后，他让这个班解散了。
- She had lots of drill in listening. 她在听力方面受过许多训练。
- This drill can bore through rock. 这台钻机能钻透岩石。
