air pump barrel 气泵筒
feed pump barrel 添水泵筒
pump barrel volume 泵筒容积
pump barrel line 泵缸套
pump barrel tube 管状泵缸体
double-pump barrel assembly 双泵筒总成
barrel oil pump 筒袋式油泵 ; [机] 油桶手摇泵 ; 油抽子
Pump Barrel Pump 抽桶泵
One effective way is preferred pump barrel and plunger of materials and surface treatment processes.
其中一个有效的方法就是优选泵筒和柱塞的材料和表面处理工艺。
The bending of pump barrel will not happen as low part fixed pumping piston going downward that only happens when it works in heavy oil well.
而泵筒下部固定泵柱塞上行时,泵筒不会发生弯曲,只是其柱塞在稠油井中下行时泵筒才会发生纵向弯曲。
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。
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