It is the key study how to make sure the pressure distribution of liquid in the pump barrel and to study the pump valve-ball's movement to improve the systematic efficiency.
对有杆抽油泵泵阀运动规律的研究和确定抽油泵泵阀筒内液体压力的分布是提高抽油机井系统效率研究的关键性课题。
The University of Petroleum(Beijing) thereby develops a simulation test device for hydraulic subsurface pump for gas and liquid two-phase flow.
石油大学(北京)为此研制了一套气液两相流液压抽油泵模拟试验装置。
hydraulic oil pump driving device housing
液压油泵传动装置壳体
They are F. O. pumps， L. O. pumps, ballast pumps, fresh water pumps, sea water pumps, and bilge pumps.
它们是燃油泵，润滑油泵，压载水泵，淡水泵，海水泵，和舭部液舱泵等。
Cassida Fluid VP (Vacuum Pump Fluid)
加适达vp液压油润滑油（真空泵液压油润滑油）
Techniques of kerosene booster turbopump for LOX/kerosene staged combustion cycle engine
液氧/煤油发动机煤油预压涡轮泵技术
Design of New Hydraulic Pumping Unit with Electro-hydraulic Proportional Control
新型电液比例控制液压抽油机的设计
Research on Complex Boring and Rolling Processing of Hydraulic Cylinder
液压抽油机油缸镗滚复合加工的研究
Application of Combined Technique of Fracturing and Unloading by Swabbing in Shengli Oilfield
压裂与抽汲泵返排联作工艺在胜利油田的应用
The Discussion on the Automatic Survey System in Aerial Hydraulic Pressure Oil Pumping Vehicle
航空液压油泵车自动检测系统的设计
Analysis on Key Parameters and the Research on Energy Saving for Hydraulic Pumping Unit
液压抽油机关键参数分析及节能研究
Simulation Study of Energy-saving Hydraulic Pumping Unit Based on AMESim
基于AMESim的节能型液压抽油机设计仿真
Application of Oil Booster Pump wilh High Pressure and Pumping Speed in Mg Refining Trade、its Benefit and Foreground
高压强大抽速油增压泵用于炼镁业及其效益与前景
band wheel pumping power
深井泵抽油的皮带驱动
air-balanced sucker-rod pumping unit
气动平衡泵杆抽油机
Hydraulic System Design of Test Bed for Aero Spout Hydraulic Oil Pump;
飞机喷口滑油泵试验台液压系统的设计
ZB-100 hydraulic oil pump s fault research and design scheme;
ZB-100型柱塞式液压油泵故障研究及改进方案
Study and Countermeasures on Engine-Pump Power Loss of Hydraulic Excavators
液压挖掘机柴油机-泵环节功率损失分析及对策
Non-Powered Hydraulic Brake Device for Screw Pumping System
螺杆泵采油系统无动力源液压制动装置