权威例句
ROCK-DRILLRock drillROCK-DRILLPULSE MACHINE, METHOD FOR GENERATION OF MECHANICAL PULSES AND ROCK DRILL AND DRILLING RIG COMPRISING SUCH PULSE MACHINEA new view of the deterioration and wear of WC/Co cemented carbide rock drill buttonsDrillability prediction: geological influences in hard rock drill and blast tunnellingSurface damage on cemented carbide rock-drill buttonsWear induced material modifications of cemented carbide rock drill buttonsAnalysis of Impact Hammer Rebound to Estimate Rock DrillabilityMicro-scratch evaluation of rock types—a means to comprehend rock drill wearWear induced material modification of cemented carbide rock drillsFriction between a cemented carbide rock drill button and different rock typesMeasurement of Some Mechanical Properties of Rocks And Their Relationship to Rock Drillability