This document stipulates the terms and definitions, working principles, design, construction management, and drilling results of underground drilling technology for precise detection in extra-thick coal seams. This document is suitable for the application of underground drilling technology in precise detection technology in extra-thick coal seams.
T/QGCML 3075-2024 history
2024T/QGCML 3075-2024 Technical regulations for precise detection of underground drilling technology in extra-thick coal seams