您要查找的是不是：
- upstream pumping unit 上游泵站,上流泵站
- Development of the well condition self-adaptive pumping unit. 井况自适应抽油机的研制。
- An experimental study of the performance of the new type upstream pumping mechanical seal. 新型上游泵送机械密封的性能研究
- Modifying balance system of Model LCJ1250 chain drive pumping unit. LCJ1250链条抽油机平衡方式改造的实践
- The upstream pumping mechanical seal was used as shaft sealing of vacuum plants. 研究了上游泵送机械密封在真空装备轴封中的应用。
- Dynamics simulation of hydraulic beam pumping unit based on 3D model. 液压游梁式抽油机的三维动力学特性仿真
- New method for power saving of beam pumping units. 游梁式抽油机节能新技术探讨。
- Analysis of fatigue reliability of crank pin of beam pump unit. 游梁式抽油机曲柄销疲劳可靠性分析
- A coupler drive system for pumping unit is developed by using the theory of hydraulic drive of coupler. 摘要运用耦合器液力传动原理，研制成功抽油机耦合器传动系统。
- Chain type long stroke pumping unit is mainly used in mid and anaphase oilfield. 链式长冲程抽油机主要是为开采中、期油田而设计的。
- UPSTREAM PUMPING MECHANICAL SEAL 上游泵送机械密封的应用研讨
- A Calculation method of kinematic parameters for the unusual shape beam pumping unit. 异形游梁式抽油机运动参数的求解方法。
- Application of Watt chain six-bar linkage on pumping units. 瓦特链六杆机构在抽油机上的应用与优化设计
- Finite element analysis and optimum seeking design of frame of chain-drive pumping unit. 链带抽油机机架有限元分析及方案优选。
- Analysis of kinetic and dynamic characteristics of pumping unit with six-bar linkage. 六连杆抽油机的运动和动力特性分析。
- CYJ10?3?0?53HB pumping unit is reconstructed into CYJ210?4?8?53HB(G)phased heam puming unit,with notating mule head. 利用CYJ10 3.;0 53HB型常规抽油机改造成CYJZ10 4
- Milling the keyway on the crank of a beam pumping unit by using Model T6916B boring machine was investigated. 对利用T6916B镗床铣削加工游梁式抽油机曲柄键槽进行了探讨。
- The design scheme and working principle of a broad-belt hydraulic pumping unit are presented. 提出了宽带液压抽油机设计方案，以及设计结构和工作原理。
- Analysis of the Fundamentals of Upstream Pumping Mechanical Seal 上游泵送机械密封的基本原理分析
- Pumping unit shall be light weight for one man operation & self priming features without suction hose. 泵机组应是轻量的，适于一人操作，自吸特点不带抽吸软管。
