XCMG Rotary Drills Xr220d Hydraulic Rotary Drilling
2021-4-21 · XCMG XR220D Rotary Drilling Rig widely used in boring operation of bored concrete pile in foundation engineering of highway, railways, bridges, ports, docks and high-rise buildings. * The machine adapt single row rope for main winch to figure out the wear of steel rope. and extend the life-span.
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