快速地了解火区，制定有效的灭火方案，分析火区治理情况都是势在必行的工作。
Rapidly surveying the scope of coal fire, working out the effective plan, analyzing the effect of coal fire regulation are inevitable.
快速地了解火区，制定有效的灭火方案，分析火区治理情况都是势在必行的工作。
Rapidly surveying the scope of coal fire, working out the effective plan, analyzing the effect of coal fire regulation are inevitable.
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