1.
Construction Technology for Operating Shaft and Receiving Shaft of Pipe Jacking in the Guanhe River Culvert Project
灌河地涵顶管工作井和接收井施工技术
2.
Top-Down Construction Technique for Excavation of Working Shaft Cover of TSM in Shanghai Subway Station
上海地铁车站盾构工作井盖挖逆作施工技术
3.
Study on New Integrated Working Fluid Technology for Drilling and Cementing
新型钻井固井一体化工作液技术研究
4.
The Simple Study of Rapid Construction of Auxiliary Shaft in EightBao Coal Mine
八宝煤矿副井井筒快速施工作业浅析
5.
Minimum Age (underground work) Convention, 1965
（井下工作）最低年龄公约
6.
well-ordered work habits.
井然有序的工作习惯。
7.
bald-headed derrick
无天车工作平台的井架
8.
ground-downhole type
地表－井中工作方式
9.
He's employed on the oil rigs.
他受雇在油井钻塔工作.
10.
The work was all properly ordered, just as he wanted it.
工作安排得井井有条, 就像他要求的那样。
11.
Discussion on Downhole Tool to Improve Drilling Maneuverability in Case of Narrow Density Windows
提高窄密度窗口钻井可操作性的井下工具探讨
12.
Development of rod absolute oil tool in workover operations of pumping wells
抽油井修井作业中抽油杆净油工具的研制
13.
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
14.
Research and Application of Face Beforehand Grouting Intercept Water Technology in Shaft
立井井筒工作面预注浆堵水技术的研究与应用
15.
laborer who works in a mine.
在矿山或矿井工作的劳工。
16.
Brief Talking about Grouting and Drilling Construction Process of Sealing Vertical Crack Sub-sealing at Vertical Shaft Face;
浅谈立井井筒工作面竖向裂隙封底打钻注浆施工工艺
17.
How to Make a Success of Supervising Downhole Operation Projects in the New Situation
浅谈新形势下如何做好井下作业工程监督工作
18.
Convention concerning the Minimum Age for Admission to Employment Underground in Mines
矿山井下工作最低许可年龄公约