The influence factor of spontaneous ignition on coal seam mining and protective measures in Yangquan mine No. 3 shaft are approached.
分析了阳泉矿区三矿井田煤层开采对自燃着火的影响因素，探讨了预防煤层的自燃着火的开采技术措施。
The influence factor of spontaneous ignition on coal seam mining and protective measures in Yangquan mine No. 3 shaft are approached.
分析了阳泉矿区三矿井田煤层开采对自燃着火的影响因素，探讨了预防煤层的自燃着火的开采技术措施。
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