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对施工大口径工程钻孔,终孔时中目标靶区误差大的问题进行了探索。成功地总结了一套大口径定向钻进施工工艺,为高质量完成大口径钻孔工程项目找到了出路。
The problems of large target diameter error during construction of large-caliber engineering borehole and final hole are explored. Successfully summarized a set of large-diameter directional drilling construction technology, high-quality large diameter drilling projects to find a way out.