doi: 10.9711/KTAJ.2021.23.3.199

구동형 언더커팅 디스크의 절삭효율 평가

Assessment of rock cutting efficiency of an actuated undercutting disc

• Jeong,Hoyoung,
• Wicaksana,Yudhidya,
• Kim,Sehun,
• Jeon,Seokwon