This paper introduces hydraulic jet-pipe control technique by combining blast furnace control.
结合高炉控制，介绍了液压射流管控制技术。
The paper summarizes the experience in successful application of hydraulic jet pump in Chengbei oilfield and put forward the Suggestions for improving the producing techniques.
文中对射流泵在埕北油田成功应用的经验进行了总结，并提出了完善埕北油田射流泵采油工艺的建议。
The hydraulic jet pump can reduce the producing cost due to its long run-life, few inspection operation, high production efficiency, less power consumption and less usage of power liquid.
射流泵运行周期长、检泵作业量少、生产效率高、耗电量小，动力液用量少，可使采油成本降低。
Swirling flow is widely used in industry, such as in jet technology, combustion technology, pneumatic transportation, cyclone separator, hydraulic flotation and so on.
在工业上应用十分广泛，如在射流技术、燃烧技术、气力输送、旋风分离及水力浮选等方面均应用了螺旋流。
In jet oil hydraulic spool valves, the oil flows through a rush path because of the shape changing of the valve.
流体在通过直喷式柱型液压控制阀阀芯时，阀内形状的变化使流体的运动量发生变化。
Bring up an assumption that using the pipe-air chamber system to induce hydraulic resonance and improve the strength of pulsed jet.
提出了使用导管-气室系统引发水力共振，提高脉冲水射流的强度的设想。
The optimized combination of parameters of pulsed jet hydraulic resonance system is a key factor to improve the efficacy of pulsed jet.
脉冲射流水力共振系统各参数的优化组合是提高射流功效的关键因素之一。
Experiment study proved that using the hydraulic resonance to improve strength of pulsed jet is available, and the system have a best air-chamber volume and a best frequency.
实验研究证明，利用水力共振提高脉冲水射流的强度是可行的，且存在最佳气室容积和最佳频率。
Swirling flow is widely used in industry, such as in jet technology, combustion technology, pneumatic transportation, hydraulic flotation etc.
其在工业上的应用十分广泛，如在射流技术、燃烧技术、气力输送及水力浮选等方面均采用了螺旋流。
Primary experiment research had proved that using the hydraulic resonance to improve strength of pulsed jet was available.
初步实验研究证明，利用水力共振提高脉冲水射流的强度是可行的。
The invention discloses a jet pipe used for dredging below a hydraulic underwater horizontal gate. The tube body of the tube is cylindrical;
本发明公开了一种液压水下卧倒门闸的闸下清淤用射流管。
Therefore, in order to improve the performance of hydraulic servo valve, it is important to study the mathematical model and distribution of jet flow field.
因此，为了改善由射流前置级驱动的伺服阀的性能，研究伺服阀前置级射流流场的数学模型及分布规律是至关重要的。
There are 2 new well completions, that are hydraulic sand jet perforation and hydraulic slotted liner technique.
有2项新型完井工艺，即水力喷砂射孔和水力割缝。
There are 2 new well completions, that are hydraulic sand jet perforation and hydraulic slotted liner technique.
有2项新型完井工艺，即水力喷砂射孔和水力割缝。
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