D&B-60W 공사현장

D&B-60W 공사현장/ 굴착. Pull-up Capacity : 60~90ton. Geothermal Drilling Rig. #hanjindnb, #drilling, #drilling rig, #geothermal, #energy #rig, #장심도, #시추, #지하수, #시추기, #드릴링, #굴착,