- 双语例句 更多例句
Drill string design of drilling complex formations and its application technique study
复杂地层钻井的钻柱设计及使用技术研究
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Study on Information and Power Transmission Based on An Intelligent Drill String
智能钻柱信息及电力传输系统的研究
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The Acquisition System For Drill String Vibration Signals And The Spectrum Analysis
钻柱振动信号采集系统及谱分析
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Study on Dynamic Characteristics and Failure Mechanism of Drill String in Air Drilling
气体钻井钻柱动力学特性及钻柱失效机理研究
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Study on measurement system for dynamic characteristics of drill string's bottom
钻柱近钻头力学特性测量系统功能研究
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The definition of two special points of drill string and calculation methods
弹性钻柱两个特殊点的意义及计算方法
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实践证明，Ansys钻杆柱扭转振动分析成果具有较高的经济价值，极大地提高了钻探工程的质量，效果显著。
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Drill string vibration was analyzed based on vibration theory and finite element method.
根据振动理论和有限元方法，研究了钻柱振动的模态。
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Analyzing the stability of horizontal drill string by using matrix transfer method
用矩阵传递法分析水平钻柱的稳定性
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Although the structure of drill string seems simple, it bears rather complicated outside force.
虽然钻杆柱在结构上看似较为简单，但实际上，它承受着相当复杂的外力。
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- 相关词组
- electric drill电钻;
- fire drilln.消防训练，火灾避难训练;
- power drill机械钻;
- drill stem钻杆;
- pneumatic drill风钻，气动排种式播种机;气钻;
- apron stringn.围裙带，支配，控制;
- drill pressn.钻床;
- drill downvt.向下钻取数据;
- first string第一弦;
- empty string空行;
- rock drilln.凿石器;凿岩机;
- drill bit钻头;钎头;
- a string ofn.一串的，一系列，一批;一连串;
- hand drill手钻;手摇钻;
- drill pipe钻杆;
- land drill陆上练习;
- do something on a shoe string在鞋绳上做点什么
- twist drilln.麻花钻，螺旋钻;
- bass string低音弦;
- air drill hammer风锥钻;
- 今日热词
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- for what reason 为何;
- warn v.提醒，警告;告诫（不要做…）;
- redden vt.& vi.（使）变红;vi.（由于羞愧、愤怒、天气热等）脸变红;
- stove n.炉子;厨灶;
- fortnight n.两星期，十四天;
- Look forward to 盼望；期待; 预期，预料
- introduce v.引进;介绍;初次了解;主持;推行;创始;将…提交讨论;添入;
- conscious adj.意识到的;神志清醒的;慎重的;关注的;
- distinguish v.区分，使有别于;辨别出;使出名;
- arrival n.到达，抵达;出现，登场;新生婴儿;到达者;
- oral adj.口头的，口述的;口服的;属于或关于嘴的;构成或使用言语的;n.（尤指外语考试中的）口试;
- give me five 击掌以庆祝胜利;
