휴대용 바위 뚫기 기계 모델 YSP45

Video Description:
Discover the YT27 Pneumatic Air Leg Rock Drilling Machine, a high-efficiency tool for mining tunneling and blasting holes. Ideal for metallurgy, coal, railway, and more, this machine offers precision and power with a blast hole diameter of 34-45mm and depth of 5m. Perfect for various engineering operations.