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- It thus necessitates a planned drilling design. 空气钻井有计划地设计成为必要。
- Mathematical model for hyperboloid grinding of twist drill and relationships between drill design and grinding parameters are introduced. 介绍了以回转双曲面作为麻花钻后刀面的数学模型,设计参数与刃磨参数的关系。
- Thornley, R.H., Elhab, A.B.I. and Maiden, J.D., "Some Aspects of Twist Drill Design," International Journal Machine Tools Design& Research Vol.27, pp. 383 -397, 1987. 刘朝胜,"微钻针之孔位偏移量的有限元素分析与实验探讨",硕士论文,国立中正大学,2002。
- Mathematical model for twist drill hyperboloid grinding is introduced.The relationship between drill design para meters and grinding parameters is studied. 介绍了以回转双曲面作为麻花钻后刀面的数学模型,研究了钻头设计参数与刃磨参数的关系。
- According to the drilling design and the principles of wellbore track formation, the three intercalation models -cylindrical spiral, special circular arc and natural parameters - were figured out. 根据钻进方式和井眼轨道的形成规律,提出了圆柱螺线、空间圆弧和自然参数三种典型的插值模型。
- Keywords offshore oilfield;UBD;feasibility study;drilling design; 海上油田;欠平衡钻井;可行性研究;工艺设计;
- The drilling troops mustered on the hill. 演习部队在小山上集合起来了。
- The Database Used in the Expert Systems of Drill Design Research 地质钻机设计专家系统中钻机数据库的研究与开发
- 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。
- Even an oversight in the design might issue in heavy losses. 设计中那怕是一点点疏忽也可能造成重大的损失。
- At six we were fallen in for drill. 六点钟我们站好队准备操练。
- We had to rely on truth drugs, long interrogations, and training drills designed to show any duplicity. 我们不得不依靠坦白剂,冗长的提问,设计好的训练性练习,以显现你的任何可疑之处。”
- The noise of the drilling is intolerable. 钻孔的噪音让人受不了。
- There is an inherent weakness in the design. 这设计本身存在弱点。
- The sound of that drill jangles horribly on the nerves. 那台钻机的声音响极了,十分刺耳。
- This dress is of the latest design. 这件衣服是最新设计。
- 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。
- He did it whether by accident or design. 不知道他是偶然还是有意做了这件事。
- 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。