钻孔直径
300毫米, 50毫米, 75毫米, 60毫米, 100毫米, 200毫米
Name
small portable borehole drilling machines
Drilling depth:
100m small portable borehole drilling machines
Drilling Hole Diameter:
100-200mm
Drilling rod length:
1.5m/pc
key words
small portable borehole drilling machines
Rod change method:
Full automatic screw thread
Drilling method:
Percussive and rotating type