450m Crawler Mounted Borehole Drilling Machine Diesel Engine Driven Dth
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Flexible Powerful Geological Drilling Rig Reach 50 Meters Depth
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Deep Underground Air Pneumatic Borehole Drilling Equipment 300 Meters Depth
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1.25mpa Air Pressure St 350 Water Well Borehole Drill Rig
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300 Meters Water Well Borehole Drilling Rig Gy200 Investigation Prospecting
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Climbing Speed 20m/Min Pneumatic Drill Rig Working Wind Pressure 1.25-3.5 Mpa
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260 Meters Water Well Borehole Drilling Rig Diesel Engine Customized
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50 Meters Drilling Exploration Rig Hole Diameter 73-105mm High Efficiency
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150 Meters Depth Xy-1a Borehole Drilling Rig Water Well Construction
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ST 350 Large Borehole Pneumatic Drilling Rig Machine Customized
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