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MDL-150H2 Anchor Drilling Rig and Jet Grouting Driliing machine Specification: TYPE MDL-150H2 Hole Diameter(mm) Φ150~Φ250 Hole Depth(m) 170-130 Rod dia(mm) Φ73,Φ89,Φ102,Φ114 Drill angle(°) 0-100 ...