1.
It is also starting a research program to improve the present poor rate of success for hand-dug and tubewell projects.
它也在开始一个研究项目来提高目前可怜的手挖井和管道井项目的成功率。
2.
junction chamber
连接井-下水管道的
3.
a well or other hole in which water has collected.
储存水的井或其他的管道。
4.
Seismic Response Analysis of Shaft for Nanjing Changjiang Immersed Tube Tunnel
南京长江沉管隧道竖井地震反应分析
5.
The Modeling on Track Designing and Casing Running in Stepped Horizontal Well;
阶梯水平井轨道设计及套管下入计算
6.
ConstructionTechnology of Vertical Pipe Shaft forDraining Gas in TangAn Coal Mine
唐安煤矿瓦斯管道抽放竖井施工技术
7.
Corrosion Failure Analysis of Well Tube at Offshore Oil Production Platform
海上采油平台井口管道腐蚀失效分析
8.
The Study on Joints and Structure Analysis of Ventilating Shaft of Cross-ocean Tunnel;
沉管隧道自立式通风竖井结构分析及接头研究
9.
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
10.
The application of the lathedog connection technology about the steel-plastic composite pipe in coal mining
钢塑复合管道卡箍连接技术在煤矿井下的应用
11.
Research on Quality Control About Inspection Well Along City Road
城市道路检查井细部施工质量管理研究
12.
Super-high pressured dynamic sealing design for a kind of stretch and draw back typed oil-well pipeline robot
一种伸缩式油井管道机器人超高压动密封设计
13.
Analysis of the statistics of the mechanical management of No.9 inclined shaft in Wuqiaoling tunnel
乌鞘岭隧道九号斜井机械管理统计分析
14.
The Research of Special Asynchronous Motor for the Conduit Robot in an Oil Well
油田井下管道机器人用特种异步电机研究
15.
PPS covers, plastic pipes pieces, plastic products manufacturing sales; Control of the watercourse, fittings wholesale, retail.
PPS井盖、塑料管件、塑料制品制造销售；水道管件、洁具批发、零售。
16.
open a mine, well, tunnel, etc
开矿、 打井、 凿隧道
17.
Heat transfer model for a standing column well geothermal system
循环单井井管-井孔-含水层传热模型
18.
Well Leakage Treatment on 244.5mm Case of Well Lishen 1 before Cementing
梨深1井Φ244.5mm套管固井前的井漏处理