文章介绍了水平定向钻施工中各种导向技术的基本原理和各自的特点，并对其适用性进行了比较。
The article introduces the principles and peculiarities of some guiding techniques in horizon directional drilling project with comparison of their applicability.
文章介绍了水平定向钻施工中各种导向技术的基本原理和各自的特点，并对其适用性进行了比较。
The article introduces the principles and peculiarities of some guiding techniques in horizon directional drilling project with comparison of their applicability.
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