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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. 通過(guò)對超短半徑鉆桿轉向過(guò)程的受力分析,建立了滑道的分段阻力模型,提出用滑道阻力系數評定滑道設計的優(yōu)劣。
- The thicker tube ends and double top structure used by CASTON are able to strengthen torque and prolong service life of drill pipe. 在鉆桿接頭加工中，凱司通公司率先采用先進(jìn)的管端加厚及接頭雙頂結構，大大增強鉆桿的許用扭矩和鉆桿壽命。
- 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. 以鉆架模型為實(shí)例，研究了其ODS測試方法試驗模態(tài)，識別其模態(tài)參數，分析其測試結果。
- She had lots of drill in listening. 她在聽(tīng)力方面受過(guò)許多訓練。
- Make up 15 joints of 5" HW Drill pipe. 接上15根5"加重鉆桿。
- Failure of Drill Pipe Internally-threaded Joint 鉆桿內螺紋接頭失效分析
- The digitization management of drill pipes in Chinese oilfields has been always restricted by traditional managing models. 長(cháng)期以來(lái),國內油田鉆具管理的數字化發(fā)展一直受傳統管理模式制約而成為技術(shù)瓶頸;
- Transient liquid phase bonding of drill pipe 石油鉆桿的瞬時(shí)液相擴散焊技術(shù)研究
- Identification groove of drill pipe 鉆桿識別槽
- For a time, his pen seemed to travel of itself. 他的鋼筆一時(shí)好象自然而然地動(dòng)著(zhù)。
- 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. 鉆桿刺漏大都發(fā)生在鉆桿加厚過(guò)渡帶消失處,優(yōu)化選擇鉆桿加厚過(guò)渡帶幾何尺寸是重要的措施。
- Maybe we meet by chance, or passing traveller of human society. 也許萍水相逢,或許紅塵過(guò)客。
- Application of PLC to Control System of Drill Pipe Chain Transfer 可編程控制器在鉆桿傳送鏈條控制系統中的應用
- The rapid travel of the present day is without a parallel. 現代旅行快速無(wú)比。
- The design defect and problem existing in use of drill pipe tong 鉆桿動(dòng)力鉗的設計缺陷及使用中存在的問(wèn)題
- It was a kind of drill, we did it almost daily. 那是一個(gè)練習,我們差不多天天都做。
- Essential elements of drill hole. 鉆孔具有的結構和尺寸因素。
- Analysis of Drill Pipe Reverse Rotation and It's Bending Frequency 鉆桿反轉運動(dòng)及其彎曲頻率分析
- New recruits have three hours of drill a day. 新兵一天有叁小時(shí)的操練.
- The drill pipe that was broken has been found. 斷了的鉆桿被找到了。
