This paper discussed the horizontal directional drilling trace optimization design in no-dig engineering.
水平定向钻进轨迹最优化设计进行了深入研究。
The oriented hole construction technique is key in no dig engineering, it decides the success or defeated of no dig engineering.
导向孔的施工是非开挖施工的关键，它决定着非开挖的成功与否。
The oriented hole construction technique is key in no dig engineering, it decides the success or defeated of no dig engineering.
导向孔的施工是非开挖施工的关键，它决定着非开挖的成功与否。
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