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- rod and tube partial wear 管杆偏磨
- DISCUSSION FOR THE DIAGNOSIS METHOD OF THE ROD AND TUBE PARTIAL -WEAR OF THE WELL PUMP UNIT IN THE WATER -DRIVE 水驱抽油机井杆管偏磨诊断方法的探讨
- Spare the rod and spoil the child. 不打不成器。
- Flow of Poly Output Liquid in Rod and Tube Annuar Space 聚合物产出液在杆管环空中的流动
- Lowering sucker rods and tubings with promiscuous grades may cause breaking or parting of rod or tubing strings. 把级别混淆的抽油杆管下入井下,将导致杆管断裂、脱落等事故。
- Should parents spare the rod and spoil the child ? 家长应不应该闲了棍子、惯了孩子?
- I'll go and get my rod and tackle box now. 我现在就去拿我的钓杆和钓具箱。
- Rod and Dean's marriage is on the rocks. 罗德与边安的婚姻陷入了危机。
- I'll go get my rod and tackle box now. 我现在就去拿我的钓杆和钓具箱。
- By rod and lash, the boy was punished. 木棍和鞭子用来惩罚这个男孩。
- Spare the rod and apoil the child. 孩子不打不成器。
- annulus between pumping rod and tubing 杆管环空
- Abstract: This paper analyzes the mechanism of side attrition of pumping rods and tubes after polymer flooding, and proposes a method of comprehensive prevention. 文摘:从生产实际出发,结合理论分析,较全面地分析了聚合物驱油后出现杆、管偏磨现象的机理,并提出了综合防治的基本措施与方法。
- WOMA's technique is standard in pipe and tube bundle cleaning. WOMA公司拥有的技术是清洗管道和管束的标准。
- This paper analyzes the mechanism of side attrition of pumping rods and tubes after polymer flooding, and proposes a method of comprehensive prevention. 从生产实际出发,结合理论分析,较全面地分析了聚合物驱油后出现杆、偏磨现象的机理,并提出了综合防治的基本措施与方法。
- Stem-segment culture and tube propagation of Humulus lupulus L. 啤酒花茎段培养及快速繁殖技术研究。
- He heated the iron rod and bent it into a right angle . 他将铁棒烧热,将其弯成直角。
- To calculate discharge port pressure,this article considers the influence on frictional pressure drop in the gas and liquid two-phase flow between rod and tubing owing to rotation of rods. 在计算排出口压力计算过程中,考虑了由于抽油杆柱旋转引起杆管环空气液两相流摩阻的影响。
- Rubinstein's Penny Roll is the Ball and Tube done with coins. 鲁宾斯坦的竹篙辊是球管做硬币。
- Causes and countermeasures for eccentric wear of rod and tubing in rod-pumped wells 有杆泵井管杆偏磨原因分析及技术对策