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- Nanjing Dilong firstly invented the loading Test System(LTS) for Horizontal Directional Drilling Machine. 地龙公司率先开发出定向钻机负载测试系统。
- Experiences shows, HDD Software can satisfy horizontal directional drilling engineering well, and it has a good prospect to be widely used. 实践证明，HDD软件能很好的满足现代非开挖水平定向钻进工程的要求，具有很好的推广前景。
- Research on mechanical parameters of pipeline crossing by horizontal directional drilling is rare and the engineering is almost designed by experiential method. 水平定向钻管道穿越中力学参数的理论化可为工程实际提供参考。
- Application of Horizontal Directional Drill to Laying of Underground Pipeline 水平导向钻机在地下管道铺设中的应用
- Application of horizontal directional drill in pipeline construction 水平定向钻在管道施工中的应用
- Some feasible outline schemes of horizontal directional drilling were order-sorted based on the combinatorial optimization of outsourcing parts schemes with standards of evaluation mark, cost and ratio of performance &price. 以评价积分、成本和性价比为组合标准，在外购件方案组合优化基础上，对水平定向钻机整机设计方案进行了排序优选。
- Enmax equipment has been used in these Industries throughout the World: Horizontal Directional Drilling, Petroleum, Micro-Tunneling, Petrol-Chemical, Dredging, Environmental, Mining, Municipalities and Pit Remediation. 这些设备在世界范围内已经在非开挖水平定向钻井、油田、微型隧道、石油化工、淤泥处理、环保、矿山、市政和废浆池土壤恢复等工业领域得以利用。
- A novel threading method of using the horizontal directional drilling machine with land trenchless technology is developed in this paper,which can improve salvage efficiency and safety. 提出利用非开挖技术中的定向钻实现水下沉船穿钢丝绳的方案,用机械手段替代人工,提高打捞效率和安全性。
- In this artide, the author briefs two kinds of polymers(Drispac and Flowzan) which can be used for horizontal directional drilling including their action mechanism and applications in projects. 本文介绍了两种可用于非开挖穿越钻进工艺聚合物的作用机理和应用实例。
- The locating and depth measuring technology of the directional track system of Horizontal Directional Drilling (HDD) is developed based on imbursement of "863 plan" sustentation fund. 本文在“863计划”项目基金资助下就水平定向钻进跟踪导向系统中的定位测深关键技术进行研究。 主要内容包括：
- Application of Horizontal Directional Drill to Middle-size River Crossing in Sichuan 水平定向钻在四川中型河流穿越中的运用
- Horizontal directional drilling machine series ZD ZD系列水平定向钻机
- Horizontal Directional Drilling (HDD) 水平定向钻进（HDD）
- horizontal directional drilling rig 水平定向钻机
- nearly horizontal directional drilling 近水平定向钻进
- Intelligent Horizontal Directional Drilling System 智能水平导向钻进
- horizontal directional drilling machine 水平定向钻机
- horizontal directional drilling maehine 水平定向钻机
- horizontal directional drilling technology 水平定向钻
- horizontal directional drilling( HDI) 水平定向钻进
