1.
"drilling rig, platform"
"钻井井架,钻井平台,见 oil (drilling) rig"
2.
bald-headed derrick
无天车工作平台的井架
3.
stacking capacity of derrick
井架的钻杆立根容量
4.
leg base anchorage
井架大腿底脚的固定
5.
self-gured structural mast
自带绷绳的轻便井架
6.
free standing mast
不用绷绳的轻便井架
7.
outside monkey board
折叠式井架外侧二层台
8.
On the Derrick Installation of ShaftⅣ_G In main Shaft of a Coalmine
浅谈塔然高勒煤矿主井IV_G凿井井架安装
9.
The Intensity Testing of Main Well Headframe in Dai Zhuang Mine Shangdong
山东岱庄生建煤矿主井井架强度检验
10.
A finite element analysis of headframe intensity of 40-ton workover rig;
40t修井机井架强度的有限元分析
11.
Here and there at long distances upon the canon sides rose the headframes of a mine.
峡谷两侧，一路过去，到处屹立着矿井井架。
12.
Research on the Influence of Frost Heave of Frozen Soil to Derrick Footing in Freezing Sinking Shaft;
冻结法凿井冻土冻胀对井架基础影响的研究
13.
The Designing of Observing Zhangbei s Chief Mine s Headframe s Base s Subsidence and Deformation;
张北主井井架基础沉降及变形观测设计
14.
Study on the Subsidence Monitoring of Main and Auxiliary Shaft Headframe Foundations of WOLONG LAKE Coal Mine
卧龙湖煤矿主副井井架基础沉降监测研究
15.
New construction technology of setting large steel-structure shaft frame during shaft sinking
凿井期间起立大型钢结构井架施工新技术
16.
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
17.
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
18.
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