Inspection and analysis of freezing hydrological hole overflow of shaft;
井筒冻结水文孔溢水的检测与分析
Prevention and cure of overflow and leak in valleys and gutters;
天沟、檐沟溢水与漏水的防治
Analysis of Noneoverflow from Hydrological Hole in Deep Shaft Sinking with Freezing Technology;
对深井冻结凿井中水文孔不溢水问题的分析