1) horizontal directional drilling
水平定向钻
1.
Reasearch of measurement while drilling and azimuth correction for horizontal directional drilling;
水平定向钻进随钻测量及方位校正研究
2.
The effect of horizontal directional drilling in soft soil on the near environment during installing pipes;
软土地区水平定向钻施工对周围环境的影响
3.
Practice of horizontal directional drilling method;
水平定向钻拖管法工程实践
2) horizontally directional drilling
水平定向钻
1.
Pipe sticking phenomenon appears sometimes during pull-back stage of pipeline crossing with horizontally directional drilling, which results in crossing failure and great economic loss.
在水平定向钻穿越管道回拖环节中,容易出现卡管现象,导致穿越失败,造成巨大的经济损失。
2.
Directional Drilling Graphics Software is basically developed for large scale horizontally directional drilling machines to trace out the strike orientation of drilling pipe, so that engineering technical personnel in-situ can easily see the strike orientation of the drilling pipe and control the drilling direction.
定向钻图形显示软件是基于大型水平定向钻机开发的,把钻杆在地下的走向以图形的方式描绘出来,使现场的工程技术人员更好地了解钻杆的走向,进而更好地控制钻杆的方向。
3) Horizontal Directional Drill
水平定向钻
1.
A Study on Optimal Shape of the Reamer in Horizontal Directional Drill;
水平定向钻扩孔器最优形状的研究
4) horizontal direction drill
水平定向钻
1.
Through example of pipeline horizontal direction drilling project,we confirmed that the Monte-Carlo technology is convenient usability,procedure succinct,solution validity.
分析了资源受限工程调度问题的现行研究方法,利用优先权的编码技术,提出了蒙特卡洛技术,通过管道水平定向钻穿越工程实例问题验证了蒙特卡洛技术的方便实用性、程序简洁性、求解有效性。
5) horizontal directional drilling technology
水平定向钻技术
1.
Research on applying horizontal directional drilling technology to pipeline crossing project;
水平定向钻技术在管道穿越工程中的应用研究
6) horizontal directional drilling
水平定向钻进
1.
Research on trenchless horizontal directional drilling software design;
非开挖水平定向钻进软件设计研究
2.
The development of Horizontal Directional Drilling in coal mines;
煤矿井下水平定向钻进技术的发展
3.
Research of Horizontal Directional Drilling Trace Optimization and Software Design in No-dig Engineering;
非开挖水平定向钻进轨迹最优化研究及软件设计
补充资料：冻土钻(见取土钻)
冻土钻(见取土钻)
dongtuzuan冻土钻见取土钻
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条