free oil pump system 无油真空机组
hydraulic system oil pump 液压系统油泵
oil free pump system 无油真空机组
system oil pump 系统油泵
screw pump oil extraction system 螺杆泵采油系统
screw pump oil production system 螺杆泵采油系统
hydraulic c system oil pump 液压系统油泵
Application of the model results show that the effectiveness and accuracy of other oil fields to enhance the efficiency of screw pump well system has a certain significance.
应用结果表明了该模型的有效性和准确性，对提高其他油田螺杆泵井系统效率具有一定的指导意义。
The downhole oil water separation system is comprised of double fluid flow pump, cyclone separator and oil pump.
井下油水分离系统由双液流泵、旋流分离器和原油提升泵三大部分组成。
The sand control of oil well pump is very important for drilling-production system.
抽油泵防砂是钻采系统防砂的一个重要环节。
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