介绍了水平定向钻进技术在市政管线上的应用。
The application of horizontal directional drilling technology in municipal pipeline is introduced.
水平定向钻进轨迹最优化设计进行了深入研究。
This paper discussed the horizontal directional drilling trace optimization design in no-dig engineering.
水平定向钻进铺管技术是一种现代的非开挖施工新技术。
The horizontal direction drilling technology is a new one in modern non-excavating construction.
本文介绍了水平定向钻进技术的基本原理及在污水管网建设中的应用。
This paper gives a brief introduction to the cardinal principle of horizontal directional drilling technique and its application in the construction of sewer net.
在非开挖工程中，水平定向钻进技术广泛应用于城市地下管线铺设工程。
Horizontal Directional Drilling technology is widely used in urban underground pipe laying engineering.
实践证明，非开挖水平定向钻进技术相对传统的开挖技术在特定条件下具有明显的优越性。
The practice proves that comparing with conventional excavation technique, non -excavating horizontal directional drilling technique is obviously advantageous.
从水平定向钻进的工程实际出发，借助于现场钻进数据库，建立了自然参数模型，给出了相应的钻孔轨迹预测算法。
A natural parameter model to forecast the direction of the actual borehole based on the local drilling database in practical situation is studied.
从水平定向钻进的工程实际出发，借助于现场钻进数据库，建立了自然参数模型，给出了相应的钻孔轨迹预测算法。
A natural parameter model to forecast the direction of the actual borehole based on the local drilling database in practical situation is studied.
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