论文部分内容阅读
分析了蔚县矿区及其外围小窑、地方国有煤矿煤层自燃的因素，提出了未来国有大矿在开采生产中应采取的预防措施。
The factors of coal spontaneous combustion in Yixian mining area and its surrounding small kilns and local state-owned coal mines are analyzed, and the precautionary measures to be taken in the production of large state-owned mines in the future are proposed.