“九五”期间马兰矿生产、安全、经营等项工作要上一个新的台阶,必须加大科技投入、强化科研工作。经初步调研,“九五”期间马兰矿要进行以下10项重大科研攻关。 (1)综采放顶煤技术; (2)沿空留巷技术研究; (3)进一步提高煤巷半煤岩巷综合机械化掘进技术; During the “Ninth Five-Year Plan” period, the production, safety, and operation of the Malan mine must go up to a new level. It is necessary to increase scientific and technological input and strengthen scientific research work. After preliminary investigation, during the “Ninth Five-Year Plan” period, the Malan Mine will undertake the following 10 major scientific research projects. (1) Fully mechanized top-coal caving technology; (2) Research on the technology of retaining roadway along the empty space; (3) Further improve the comprehensive mechanized excavation technology of coal roadway in coal roadway;