1.
3.10 Do you understand? Call the assistant driller (A.D.) or derrickmen down to help us.
明白了吗？叫副司钻或井架工下来帮忙。
2.
bald-headed derrick
无天车工作平台的井架
3.
On Construction Technology of Shaft Steel Frame of Wangfenggang Shaft in No.1 Xiejiaji Coal Mine
谢一矿望峰岗主井钢结构立井套架的施工技术
4.
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
5.
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
6.
The Research and Application of the Assembling Art of Large Box-type Derrick
大型箱型井架组装工艺的研究与应用
7.
Procedures and QC for Manufacturing of Drilling Rig Mast
套装井架的制造工艺措施及质量控制
8.
Truss Overhead Crossing Structure Analysis of Pipeline Engineering over Sichuan-ZhijingRiver
川气东输管道工程支井河桁架跨越结构分析
9.
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
10.
Application technology of simple arch-frame turn-over form in inclined shaft lining construction
简易拱架翻板模在斜井衬砌施工中的应用技术
11.
"drilling rig, platform"
"钻井井架,钻井平台,见 oil (drilling) rig"
12.
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。
13.
In order to ensure derrick works safely and effectively,it is necessary to evaluate its carrying capacity.
为确保井架安全有效地工作，必须对其安全承载能力作出评估。
14.
stacking capacity of derrick
井架的钻杆立根容量
15.
leg base anchorage
井架大腿底脚的固定
16.
self-gured structural mast
自带绷绳的轻便井架
17.
free standing mast
不用绷绳的轻便井架
18.
outside monkey board
折叠式井架外侧二层台