Telescopic boom hydraulic step-long spiral drill
1.Telescopic boom hydraulic step-long spiral drill 2.Telescopic boom hydraulic step-long spiral drill 3.drilling machine
Specifications:φ400,φ600,φ800drillSpecifications:450,480motive force sideSpecifications:φ400,φ600,φ800drill rod
Telescopic boom hydraulic step-long spiral drill