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楊柳煤業防治煤層自然發火管理規定 楊煤通〔2014〕181號 第八節 火區管理規定 第五十三條建立煤層自然發火報告制度，礦井發生自然發火事故或重大隱患(CO呈上升趨勢或超限、水溫升高，并超過正常溫度)，必須立即匯報礦安全生產信息中心，并由安全生產信息...
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