在煤矿生产中,如何做到有效地控制顶板,是多年来一直反复实践、反复认识的一个重大生产关键问题。搞好顶板管理,就抓住了煤炭生产中的主要环节,安全和生产就主动。我矿自1973年下半年以来,以党的基本路线为纲,深入开展了批林整风和批林批孔运动,进一步提高了路线觉悟,在加强生 In coal mine production, how to effectively control the roof is a key issue of production that has been repeatedly practiced and repeatedly realized over the years. To do a good job in roof management, we have grasped the major links in coal production and took the initiative in safety and production. Since the second half of 1973, the mine has taken the basic line of the party as the key link, deepening the campaign of forestation, rectification and approval of barks and holes, further raising the awareness of the route and strengthening the students’