By pouring into the thoracic cavity
cooling off through pouring into water
pouring into in the bladder
mortar wall of super depth
transforming opencast mining into underground mini
transition from open-cut into underground mining
continuous underground wall structure
preventing pervasion wall underground
Underground wall and steel tube bracing
underground water in coal underground water
precast outside wall and cast-in-place inside wall
shear wall structure supported on frame-shear wall
shear wall supported on frame-shear wall structure
acid-resistant pouring material
Additional pouring time