DTH drilling

Down-the-hole drilling machine are commonly used mechanical equipment in the mining of stone mines. Their main purpose is rapid drilling. Pneumatic electric DTH...

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The principle of down the hole drilling is actually to make the impactor dive into the hole in the process of drilling, so as to reduce the energy loss caused b...

stone mining machinestone quarry machinedown the hole drilling

As a kind of drilling equipment, down the hole drill can not only be used in construction, railway, highwayand other projects, but also suitable for core drilli...

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