1.
Application of Internal Gallows Flexibility Traveling Formwork Technology in Chimney Construction
内井架柔性移置模板技术在烟囱施工中应用
2.
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。
3.
"drilling rig, platform"
"钻井井架,钻井平台,见 oil (drilling) rig"
4.
bald-headed derrick
无天车工作平台的井架
5.
stacking capacity of derrick
井架的钻杆立根容量
6.
leg base anchorage
井架大腿底脚的固定
7.
self-gured structural mast
自带绷绳的轻便井架
8.
free standing mast
不用绷绳的轻便井架
9.
outside monkey board
折叠式井架外侧二层台
10.
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
11.
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
12.
A framework to support or strengthen a mine or shaft
井壁基架用来支承或加固矿井的构筑
13.
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
14.
Characteristics of delta reservoir sand within base-level cycle framework--a case study of the Chang3 Formation in Hua152 area,Huachi Oilfield
基准面旋回格架内三角洲储集砂体的发育特征——以华池油田华152井区长3油组为例
15.
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。
16.
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
17.
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
18.
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