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- The final configuration of drill pipe and the load applied on it are related to the sequence of loading due to non-conservativeness of plastic bending. 通过对超短半径钻杆转向过程的受力分析,建立了滑道的分段阻力模型,提出用滑道阻力系数评定滑道设计的优劣。
- The thicker tube ends and double top structure used by CASTON are able to strengthen torque and prolong service life of drill pipe. 在钻杆接头加工中，凯司通公司率先采用先进的管端加厚及接头双顶结构，大大增强钻杆的许用扭矩和钻杆寿命。
- Take model of drill pipe frame as a example, experimental modal based on ODS's testing method is studied and the modal parameter is distinguished and the testing results are analyzed. 以钻架模型为实例，研究了其ODS测试方法试验模态，识别其模态参数，分析其测试结果。
- She had lots of drill in listening. 她在听力方面受过许多训练。
- Make up 15 joints of 5" HW Drill pipe. 接上15根5"加重钻杆。
- Failure of Drill Pipe Internally-threaded Joint 钻杆内螺纹接头失效分析
- Man tries to be a protector of woman. 男人试图做女人的保护者。
- The digitization management of drill pipes in Chinese oilfields has been always restricted by traditional managing models. 长期以来,国内油田钻具管理的数字化发展一直受传统管理模式制约而成为技术瓶颈;
- Wei Tuo is regarded as the protector of Buddhism. 韦驮是佛国卫士。
- Transient liquid phase bonding of drill pipe 石油钻杆的瞬时液相扩散焊技术研究
- Saint Patrick is the protector of Ireland. 圣帕特里克是爱尔兰的保护神。
- Identification groove of drill pipe 钻杆识别槽
- The drill pipes in some oil fields were diapired badly and continually and the diapiric happened to the intermediate belt's disappearance of drill pipes. 钻杆刺漏大都发生在钻杆加厚过渡带消失处,优化选择钻杆加厚过渡带几何尺寸是重要的措施。
- A protector of the little ones,She would not let anyone bully them. 她保护小学生，绝不容许任何人欺负他们。
- Protector of the Pack: No longer changes value based on party size. 兽群卫士:现在这个天赋的效果值不在因为团队规模而改变.
- Application of PLC to Control System of Drill Pipe Chain Transfer 可编程控制器在钻杆传送链条控制系统中的应用
- Mothers are protectors of their babies. 母亲是孩子的保护者。
- The design defect and problem existing in use of drill pipe tong 钻杆动力钳的设计缺陷及使用中存在的问题
- Analysis of Drill Pipe Reverse Rotation and It's Bending Frequency 钻杆反转运动及其弯曲频率分析
- It was a kind of drill, we did it almost daily. 那是一个练习,我们差不多天天都做。
