1·The reason of the spontaneous combustion at fully mechanized workface with top caving are analyzed. The comprehensive preventing measures are elaborated. The good effect is obtained.
对综采放顶煤工作面自燃发火的原因进行了分析，阐述了所采取的综合性预防措施，及取得了良好的效果。
2·This article introduces the comprehensive mechanized caving process and its technological measures for partially deep inclined sectors in 7113 working face of Xuchong coal mine.
介绍了许疃煤矿7113工作面局部大倾角地段的综采工艺及技术措施。