This paper discussed the horizontal directional drilling trace optimization design in no-dig engineering. 对非开挖工程中水平定向钻(HDD)进轨迹最优化设计进行了深入研究。
Research on the Technology of Horizontal Directional Drilling(HDD) of Oil and Gas Pipeline Crossing Large and Medium-sized River 油气管道水平定向钻(HDD)穿越大中型河流技术的研究
Action Mechanism Research and Improvement of Slips of Horizontal Directional Drilling(HDD) Rig 水平定向钻(HDD)机卡瓦的作用机理研究与改进
Research and design of a measurement-while-drilling system for horizontal directional drilling 水平定向钻(HDD)进随钻测量系统研究与设计螺旋管耦合随钻测量系统
Parameter Measurement and Transmission of the Drill Bit for Horizontal Directional Drilling(HDD) 水平定向钻(HDD)进钻头信息的测量与传输