铁生沟“三软”煤层工作面与上下巷的支护状况及其对策
철생구“삼연”매층공작면여상하항적지호상황급기대책
Support Situation and Countermeasures of Upper and Lower Roadway at Three Soft Seam Face in Tieshenggou Coal Mine
저자의 최근 논문