지하 수압 굴착 기기 건설 기계 터널링 덤보 굴착 기기

지하 덤보 파리 리그
September 11, 2025
Video Description:
Discover the SANROCK SRJ18 Underground Tunnel Drill Rig, a high-performance mining equipment with a rotation speed of 215rpm. This hydraulic jumbo drilling rig is optimized for medium-sized underground drifts, offering precision, efficiency, and minimal environmental impact for tunnel construction.