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从技术角度出发，分析了５·１２事故发生的直接原因和间接原因，探讨了密闭工作面进回风通道后仍发生连续爆炸的原因
From the technical point of view, the causes of the accident occurred on May 12 and the indirect causes were analyzed, and the reasons for the continuous explosion after the entry and return air passage of the confined working face were discussed