1.
Safety testing and evaluation technology of in-service oil rig derrick in oilfield
油田在役石油井架安全检测及评价技术
2.
Damage Identification Study of Oil Derrick Structure Based on Ambient Excitation
基于环境激励的石油井架结构损伤识别研究
3.
Study on Simulation for Ultimate Bearing Capacity of Oil-Derrick with Damage
考虑损伤的石油井架极限承载性能仿真研究
4.
Study on Damage Location of Oil Derrick Based on Wavelet and Neural Network
基于小波和神经网络的石油井架损伤定位研究
5.
The workers were flown off the flaming oil rig out at sea
工人们被飞机从燃烧着的海上石油井架上运走了。
6.
Study on Dynamic Characteristics of Oil Derrick Structure Based on Vibration Experiment Method;
基于振动实验的方法研究石油井架结构损伤的动态特性
7.
Study on Structural Damage of K Type Oil Derrick Based on Dynamic Analysis;
基于动力分析的K型石油井架结构损伤实验研究
8.
The Research of Damage Identification Method of Oil Derrick Based on the Principal Component Analysis Measured Frequency Response Functions
基于实测频响函数主成分的石油井架损伤识别方法研究
9.
Experimental Study on Damage Identification of Oil Derrick Based on Wavelet Packet Analysis
基于小波包分析的石油井架结构损伤识别试验研究
10.
Modal parameters identification and bearing capacity evaluation for ocean oil-derrick under wave excitation
波浪作用下海洋石油井架模态参数识别与承载力评价
11.
Analysis of Stress and Distortion of Derrick With Fem
石油修井机井架的有限元应力应变分析
12.
Lofty derricks dot the landscape in an oil field.
高耸的井架点缀着油田的景色。
13.
Steel derricks rose to meet our eyes as we drew nearer to the oil fields.
我们快到油田时看到了矗立的井架。
14.
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。
15.
The most obvious part of a drilling rig is called“ a derrick”. It is used to lift sections of pipe, which are lowered into the hole made by the drill.
钻机中最显眼的部件叫“井架”，井架用来吊升分节油管，把油管放入由钻头打出的孔中。
16.
A fountain of oil gushed up through the floor and high over the top of the derrick into the darkness.
油喷涌上来了，穿过钻台，超过井架，喷入夜空。
17.
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
18.
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