遵义长沟锰矿俯伪斜走向长壁分段密集采矿法研究
준의장구맹광부위사주향장벽분단밀집채광법연구
A Study of False Dipping with Long-wall Sublevel in Concentrated Mining Method in Changgou Mn-mine of Concentrated Mining
저자의 최근 논문