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介绍陈家山矿综采放顶煤的工艺参数、系统配套和经济效益，并探讨高瓦斯矿井自然发火煤层的通风防灭火措施。
The technical parameters, system support and economic benefits of fully mechanized top coal caving mining in Chenjiashan Coal Mine are introduced, and the measures of ventilation fire prevention and extinguishment of spontaneous combustion coal seam in high gas mine are discussed.