1.
The Wear Mechanism of Concrete Pumping Pipe under the Conditions of Multiphase Fluid
多相流体条件下混凝土泵送弯管磨损机理分析
2.
The Study on Mechanism of the Surface Treatment and Its Wear for Bender's Roll Shaft;
弯管机辊轴表面硬化处理机理及磨损性能研究
3.
Numerical Simulation of the Flow Field and Wear Prediction of the Elbows of Coal-Oil Slurry Transporting Pipelines
油煤浆输送管道弯管部位流场的数值模拟与磨损预测
4.
Impact Wear Prediction and Wall Thickness Monitoring of the Elbow Region in the Oil-Coal Slurry Pipeline
油煤浆输送管道弯头部位冲击磨损预测与壁厚监测
5.
Effect of Grinding Induced Damage on Bending Strength of RBSiC
磨削表面损伤对RBSiC弯曲强度的影响
6.
Clinical Study on Preparing Curved Root Canals of Molars with Hero 642 Nickel-titanium Rotary Instruments
机用镍钛Hero 642预备磨牙弯曲根管的临床研究
7.
Oil pump suction tube loose, broken, bent or clogged
油泵吸管松动、破损、弯曲或堵塞
8.
Study of Wear Prediction of Sucker Rod and Tubing for Pumping System
有杆抽油系统杆管偏磨磨损量预测研究
9.
Abrasion Mechanism Analysis and Pipe Selection of Boiler Economizer
锅炉省煤器磨损机理分析及管材选取
10.
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
11.
Investigation on Calculate Method of Depth of Wearing of Rod and Tubing on Sucker Rod Pump Wells
抽油机井杆管磨损深度计算方法研究
12.
Experiment Research on Bent Tube Resistance Loss Based on Hydraulic Pipeline Rheology Test Rig
基于液压管式流变试验台的弯管阻力损失试验
13.
Uses the CT Scanning and Establish Three-dimensional Model to Research the Differences in Using Different Root Canal Preparation Instruments for the Curving Root Canal;
不同根管预备器械对磨牙弯曲根管预备效果的CT研究
14.
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。
15.
Friction losses in the equivalent lengths of ducts constitute the pressure loss in the elbow.
管道的等量长度中的摩擦损失即构成弯管中的压力损失。
16.
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
17.
Application: As lining of falling funnel, lining of wear-resisting pipe and bender, etc. parts of equipment in the themal power plants.
应用领域：热电厂落料斗、耐磨管道及弯头等部件内衬。
18.
A comparative study of three different rotary nickel titanium systems in the preparation of curved molar canals
3种镍钛机动器械预备磨牙弯曲根管成形能力的比较