effective extinguishing zone
... equipment interface 设备接口 effective extinguishing zone 有效灭火区 emergency lighting battery 应急照明电池 ...
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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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