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介绍了魏家地煤矿用综合灭火技术扑灭综放工作面支架上方大面积火灾的过程、方法和效果，并对综合灭火技术的运用策略进行了分析。
This paper introduces the process, method and effect of extinguishing the large-scale fire above the support of fully mechanized top-coal caving face with comprehensive fire extinguishing technology in Weijia coal mine and analyzes the application tactics of the comprehensive fire extinguishing technology.