1.
Practice of directional hole boring for laying electric power supply lines
非开挖定向钻孔敷设电力电缆的施工实践
2.
On the trenchless construction technology of horizontal directional drilling in sewerage projects
排水工程水平定向钻非开挖施工技术
3.
Non- excavating horizontal directional drilling technique is a kind of newly developed construction technique.
非开挖水平定向钻进技术是一项高新施工技术。
4.
Study of Non-Dig Oscillate-Drilling DTH Orientation Device Applied on Hard Rock Stratum;
硬岩非开挖钻进摆动式潜孔锤定向机构的研究
5.
The Researching of Slurry s Effect in the HDD (Horizontal Directory Drilling);
非开挖水平定向钻孔中的泥浆作用机理研究
6.
Measures of controlling directional non-excavating construction crossing building settlement
控制定向非开挖施工穿越建筑物沉降的措施
7.
Classification of Build-up Intensity in Trenchless Technology for Pipe Laying
导向钻进非开挖铺管的导向强度研究
8.
Construction Technology and Project Application Studying of No-dig Horizontal Directional Drilling Pipe Paving;
非开挖水平定向钻进铺管施工技术及工程应用研究
9.
Study on Directional/Guided Drilling of Trenchless in Fluvial Facies Stratum;
典型河相地层条件下非开挖定（导）向钻进施工技术研究
10.
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
11.
Research and Application of a Trenchelss Construction Technics for Rock Directional Drilling
岩层中定向钻进非开挖铺设地下管线的研究及应用
12.
The Optimal Design About the Trajectory of Non dig Guided Boring
非开挖导向钻进钻孔轨迹的优化设计
13.
The Research of 3D-Visualization of Guided Boring Trajectory;
非开挖导向钻进轨迹三维可视化研究
14.
The Study and Realization of the Trenchless Guide Drilling Trace-designing Software;
导向钻进非开挖轨迹设计软件的研究与实现
15.
Research on the Optimum Design of 3D Pilot-hole Trace in HDD;
非开挖导向钻进轨迹三维优化设计研究
16.
Design of Main Structures for Trenchless Oriented Drilling Machine
非开挖导向钻机中几种主要结构的设计
17.
Design and Improvement of Back Reamer in Directional Drilling Non-excavation Pipe Laying Construction
导向钻进非开挖铺管施工扩回钻头的设计改进
18.
Development of Model JFK-15 Trenchless Directional Drill and Simulation Research on the Dynamic Characteristics of the Hydraulic System;
JFK-15型非开挖导向钻机的研制及其液压系统动态特性仿真研究