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.
应用推荐