The technology of finishing float resisting anchor rod construction in deep sand layer with geological drilling rig slurry retaining wall technology is analyzed briefly.
现简要分析利用地质钻机泥浆护壁成孔工艺完成深厚砂层中抗浮锚杆的施工工艺。
Consequently, a geological survey of the under-ground, rock structure must be carried out. If it is thought that the rocks in a certain area contain oil, a "drilling rig" is assembled.
因此，仅仅靠研究地层表面，无法确定有关石油，必须对地下的岩石结构进行地质勘测。
The rig can work in various geological. Conditions for large-diameter bridge piles;
该机是适合于多种地质条件的大直径桥梁钻孔。
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