rock drill
英 [rɔk dril] 美 [rɑk drɪl]

n.

凿石器；凿岩机；

英英释义

rock drill

• n.a drill for penetrating rock

  同义词：bore bitborerstone drill

权威例句

ROCK-DRILL
Rock drill
ROCK-DRILL
PULSE MACHINE, METHOD FOR GENERATION OF MECHANICAL PULSES AND ROCK DRILL AND DRILLING RIG COMPRISING SUCH PULSE MACHINE
A new view of the deterioration and wear of WC/Co cemented carbide rock drill buttons
Drillability prediction: geological influences in hard rock drill and blast tunnelling
Surface damage on cemented carbide rock-drill buttons
Wear induced material modifications of cemented carbide rock drill buttons
Analysis of Impact Hammer Rebound to Estimate Rock Drillability
Micro-scratch evaluation of rock types—a means to comprehend rock drill wear
Wear induced material modification of cemented carbide rock drills
Friction between a cemented carbide rock drill button and different rock types
Measurement of Some Mechanical Properties of Rocks And Their Relationship to Rock Drillability