3.5~10m大倾角煤层巷柱式放顶煤阶段高度的确定
3.5~10m대경각매층항주식방정매계단고도적학정
Confirmation of Stage Height of Roadway Caving Mining in 3.5 ~ 10m Deeply Inclined Coal Seam
저자의 최근 논문