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types of machines used in rock breaking for underground mining

Types of Drilling Methods used in Mining Boring Mining,In mining areas these are commonly used for drilling large diameter holes in mechanised quarries Flushing of the hole with compressed air instead of by water under pressure is the common practice with this type of bit Rock roller bits can be used for deep hole drilling with speed and are suitable for mostly vertical downward holes III... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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