1.
The Study on Integral Technology of Double Layer Fracturing without Pulling String and Unloading Liquid;
不动管柱两层压裂及排液一体化技术研究
2.
Application of original production string acidizing technology in Lvda 5-2 Oilfield of Bohai Bay
不动管柱酸化工艺在旅大5-2油田的应用
3.
Application of Technology of Dual Layer Fracturing Combined With Production Testing Without Moving String in Hailaer Oilfield
不动管柱两层压裂及排液求产技术在海拉尔油田的应用
4.
workstring reciprocation
工作管柱上下往复运动
5.
The Research of Vibration Mechanism and Analysis of Dynamic Response for Tubing String;
油管柱振动机理研究与动力响应分析
6.
work the pipe free
活动钻具或管柱使之解卡
7.
In wind instruments the sound is produced by a vibrating air column.
管乐器的声音是由振动的气柱产生的。
8.
Lofting Design of Tee type Thin Cylindrical Tubes
三通薄壁圆柱管展开的自动放样设计
9.
Seismic behavior of concrete filled steel tubular column-beam joints with discontinuous column tubes
节点区柱钢管不贯通式钢管混凝土柱-梁节点抗震性能
10.
NC bed-type vertical miller
数控立柱移动工作台不升降铣床
11.
The trajectories of electrons in a DC cylindrical magnetron
电子在圆柱形直流磁控管中的运动轨迹
12.
Optimization Design and Test Research of Rolling Bearing for Automotive Steering Column;
汽车转向管柱滚动轴承的优化设计及实验研究
13.
Researches on Testing System for Gimbal s Micro-torque of Steering Tube;
转向管柱万向节微小摆动扭矩测量系统的研究
14.
Dynamic Analysis of Concrete Filled Steel Tube Columns under Impact Load;
钢管混凝土柱在冲击荷载作用下的动力分析
15.
Numerical Simulation and Experimental Study of the Characteristics of the Cross Flow Past a Cylinder in Vertical Tube;
垂直管内绕圆柱流动特性数值模拟及实验研究
16.
Numerical Simulation of Detonation in Cylindrical Explosives in Driving Tube
驱动管中柱状装药爆轰过程的数值模拟
17.
The crew is trying to bypass power, and weld additional support struts into stanchion three.
工作人员尝试不管电力 再多焊接三条支柱
18.
The Study of Local Pressure of Unsealing Steel Tube Concrete Short Column;
不封口钢管混凝土短柱的局部承压试验研究