1.
Analysis and Calculation of Static Stress of Rig Derrick by CAE Software;
应用CAE软件分析计算钻机井架静应力
2.
Application of the high tensile material to the substructure of the super-deep well's rig derrick
高强度材料在超深井钻机井架底座中的应用
3.
Study on Dynamic Characteristic of Double Elevating Drilling Rig Derrick and Substructure;
双升式钻机井架及其底座动态特性研究
4.
Research of Technology Computer Simulation and Software System for Derricks in Usage;
现役钻机井架仿真技术及软件系统研究
5.
Research on Elastic and Elastic-plastic Stability of the Oil Derrik;
石油钻机井架弹性及弹塑性的稳定性分析研究
6.
Calculation of Static Stress and Stability of Model JJ225/43-K Mast;
JJ225/43-K石油钻机井架强度及稳定性计算
7.
Safety Monitoring System with Fiber Grating Based on Drilling Derrick;
基于钻机井架的光纤光栅安全监测系统
8.
Simulation model for in-service rig derrick based on finite dynamic model
基于有限元动力模型的在役钻机井架仿真模型
9.
Experimental Modal Parameters Identification of Oil-drilling Derrick under Ambient Random Excitation
环境随机激励下在役石油钻机井架试验模态参数识别
10.
Experimental modal parameter identification of drilling derrick under ocean wave excitation
基于海洋波浪脉动的海洋钻机井架结构试验模态识别
11.
Preliminary Study on Well Drilling Technique of Semi-Submersible Drilling Platform with Dual Derrick Rig
半潜式钻井平台双井架钻机作业工艺初步研究
12.
To bore(a shaft) with a trepan.
钻用钻井机钻（矿井）
13.
A machine in the tower gradually cuts a narrow hole down into the ground.
井架内的钻机渐渐地往地下钻出一个小洞来。
14.
Development of the TZJ40(B) vertical derrick's traction-driven rig
TZJ40(B)直立井架拖挂钻机的研制
15.
"drilling rig, platform"
"钻井井架,钻井平台,见 oil (drilling) rig"
16.
Design rig's mast structure& rig's substructure.
油井的钻机的井架，珩架及底座结构件的应力分析和设计。
17.
Raise-boring machines
GB/T12761-1991天井钻机
18.
spider bow [for well drilling machines]
星形斗[钻井机用]