通过对火区影响范围系统进行改造，提高了矿井防灾抗灾能力，保证了矿井采掘部署有序进行。
Through reforming ventilation system in fire area, the capacity in disaster prevention of coal mine has improved to ensure the mine excavation disposal is proceeding orderly.
数值模拟结果表明，障碍物不仅对火焰区有激励效应，对非火焰区同样存在激励效应。
The results of numerical simulation barricades not only have excitation effect in the combustion section, but also exist in the explosion wave propagation.
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