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3 Method for Producing Tomography of Base using Horizontal Directional Drilling
3 Method for Producing Tomography of Base using Horizontal Directional Drilling
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机译:3用水平定向钻井生产地层层析成像的方法
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摘要
The present invention relates to a method for performing three-dimensional tomographic survey so as to grasp the structure or state of the upper ground existing in the upper part of the horizontal borehole in three dimensions by excavating the ground horizontally using a directional drill.
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