drillpipe pump down plug

用法例句

Research on the Drill Pipe Transportation Manipulator of Horizontal Directional Driller and the Control System

水平定向钻机钻杆输送机械手及控制系统研究

disappearing finger auger

偏心扒杆式输送螺旋

Smart Power Drilling Technology on Drilling Power and Signal Transmission Drillpipe

基于动力及信号传输钻杆平台的智能化动力钻井技术

Density Logging Job in Horizontal Well During the Drill-pipe Conveyed Logging

钻杆传输水平井密度测井施工工艺探讨

Study on Driving Power Consumption of Solid Conveying and Melting Process in Conical Twin-Screw Extruder;

锥形双螺杆挤出机固体输送段和熔融段物料输送功率消耗的研究

There are net carried bect and roll chain to be choosen in carrier part.

输送部分有网状带和杆状链两种可供选择。

Converter Pitch Processing Problems in Transmitting Cylinder Container;

输送圆柱形容器的变螺距螺杆加工问题探讨

The Life of Screw Pump Stator Used in Pumping Emulsion Explosive

乳化炸药基质输送螺杆泵定子寿命研究

Numerical Simulation of Power Consumption Characteristics in Conveying Element in Triple Screw Extruder

三螺杆挤压机熔体输送段功耗特性的数值分析

Improvement and Applications of Horizontal Well Logging Technology With Pipe Convey in Puguang Gas Field

普光气田水平井钻杆传输测井技术的改进及应用

Research on Pneumatic Conveying Technology in the Process of Trenchless Drilling of City Planning Roads;

非开挖市政道路施工钻孔工艺过程中泥屑气力输送技术的研究

The Research on the Method of Pneumatic Conveying Dry Smear Mud for Non-Trenching Drilling of City Planning Roads Construction;

非开挖市政道路施工钻孔泥屑气力输送方法的研究

great lengths of drill pipe which are rotated by an engine at the top,

钻杆顶部安装的发动机带动钻杆旋转，

As the piston descended, a ratchet engaged the piston rod and engine shaft and thus power was transmitted.

当活塞下行时，棘轮连接活塞杆和发动机轴，因此将功率输送出去。

The Possibility of Using Archimedean Channel for Conveying Melting Polymers

用端面阿基米德螺槽代替螺杆输送熔融塑料的可行性估计

The results obtained show that it is possible to use the Archimedean channel instead of screws for conveying melting polymers.

结果肯定了用端面阿基米德螺槽代替螺杆输送熔融塑料的可行性。

Study on Properties of Mixing Elements in Melt Conveying Zone of Intermeshing Counter-Rotating Twin Screw Extruder;

啮合异向双螺杆挤出机熔体输送段混合元件性能的研究

Study on Influence of Flight Configuration of Injection Screw to Melt Conveying Performance in Metering Zone;

注射螺杆螺棱结构对计量段物料输送性能的研究