1.
The effect of casing abrasion and cement sheath's defect position on casing stress
套管磨损与水泥环缺陷位置对套管应力的影响
2.
Study on residual strength of wearing casing in deep and ultra-deep wells
深井、超深井套管磨损后剩余强度分析
3.
Mechanism and affecting factors of casing wear during the process of testing
石油井下套管磨损机理与影响因素分析
4.
Both the derrick deviation and the wellheads eccentricity will cause the serious wearing of the casing (or casing protecting tube) close to the wellhead.
井架不正或井口偏心，会造成近井口套管（或套管防磨套）的磨损。
5.
EXPERIMENTAL STUDY OF ABRASIVE-CORROSIVE WEAR OF MUD PUMP LINER
钻井泵缸套材料磨料—腐蚀磨损实验研究
6.
The nozzle is fitted with a protective sleeve which can be replaced when it is worn.
喷咀上装有保护套，磨损后可以更换。
7.
The bigger the effective eccentricity, the higher the upper drill string's lifting force, the higher the positive pressure on casing/ drill string, and the more serious the wear.
有效偏心距越大，上部提升力越大，套管／柱之间的正压力将越大，磨损将越产重。
8.
Study on the Mechanism、Inspection and Prediction of Casing Damage;
套管损坏机理、检测方法和套损预测研究
9.
Measures taken to prevent abrasion of the plunger in cylinder sleeve of a cryopump and to improve sealing performance
低温泵缸套柱塞防磨损和提高密封性的措施
10.
Premature wear failure analysis of track pin bushing in swamp bulldozer
湿地推土机履带销套的早期磨损失效分析
11.
The Best Experiment Program of Cylinder Wears by Means of the Orthogonal Test
用正交试验法研究汽缸套磨损试验的最优方案
12.
A Study on Equipment of Intelligent Capacitance Measuring Wear of Cylinder Bore of Auto Engine
智能型电容式发动机缸套磨损测量仪的研究
13.
Research on Corrosion Wear Mechenism of Dip-Roll Sleeve in Hot-Dip Galvanizing;
热镀锌板沉没辊轴套材料腐蚀磨损机理的研究
14.
Research on simulation experiment method of piston ring and cylinder friction and wearing;
内燃机活塞环—缸套摩擦磨损实验方法的研究
15.
The Application of Neural Network Technique in the Research on Wear of the Cylinder;
神经网络技术在缸套磨损研究中的应用
16.
Study on formation and precaution of grinding thermal damage to bearing rings
轴承套圈磨削热损伤的形成与预防探讨
17.
The Integration of Cylinder Liner-Piston Ring Wear and Lubrication in Lnternal Combustion Engine
内燃机中缸套-活塞环的磨损与润滑综述
18.
Study of surface strengthening technology and wear test of diesel engine cylinder liner
柴油机气缸套表面强化工艺及磨损试验的研究