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- 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。
- Effect of the Defect of Drill Pipe Joint on the Service Life of Drill Pipe 钻杆接头缺陷影响使用寿命的试验研究
- 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。
- Granular additive that neutralizes chlorine in municipal water. Prevents premature breakdown of drilling fluids and extends recycle life of polymer slurries. 颗粒状添加剂,能抑制水中氯的含量,阻止钻孔中泥浆的泄露以及延长聚合体的重复利用寿命。
- This paper analyses that tip angle of drill bit influences on cutting capability and life of twist drill, when the material and shape of work piece is different. 分析了工件材料、形状不同时,钻尖顶角的大小对麻花钻切削性能及寿命的影响,介绍了麻花钻的钻尖顶角的选择。
- 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。
- Sure, his dad is a lush, but he's always the life of the party. 没错，他父亲是个酒鬼，但他永远是宴会的灵魂人物。
- Make up 15 joints of 5" HW Drill pipe. 接上15根5"加重钻杆。
- She had lots of drill in listening. 她在听力方面受过许多训练。
- She had led a life of luxury and privilege. 她过著养尊处优的生活。
- Application of Drilling Pipe Grease in Drill 钻杆润滑脂在钻探生产中的应用
- We hope to have a life of happiness and prosperity. 我们希望拥有成功幸福的生活。
- 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;
- They attempted the life of the dictator. 他们试图杀死这个独裁者。
- After months of drilling, oil was found off the coast. 经数月钻探，在沿海找到了石油。
- The life of the patient is at stake. 病人的生命在危急中。
- Failure of Drill Pipe Internally-threaded Joint 钻杆内螺纹接头失效分析
- A life of ease is a difficult pursuit. 优悠自在的生活，是一个难以追求的东西。
- Transient liquid phase bonding of drill pipe 石油钻杆的瞬时液相扩散焊技术研究
- The life of the sick man is at stake. 病人的生命危在旦夕。
