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该文以某水利枢纽坝基钻孔涌水观测为例，介绍了流量测井及孔内电视方法所取得的成果，并结合基础固结灌浆声波检测资料对钻孔涌水原因进行了分析。
Taking a case study of water inflow in dam foundation of a water complex as an example, this paper introduces the achievements of flow logging and in-hole television methods, and analyzes the causes of borehole water infiltration based on the sounding data of foundation grouting.