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Electric Type Rock Drill
Jun 28, 2018

The electric motor is driven by a crank mechanism to impact the hammer Gangqian and chisel the rock. and using the powder discharging mechanism to expel the stone chip, the internal combustion uses the internal combustion engine principle, through the petrol detonation force to drive the piston to impact the Gangqian, to chisel hits the rock. Suitable for no power supply, no air source construction site.

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