摘要
阐述了永定庄矿治理 11号煤层
In Yongdingzhuang mine,there was a fire at 315 goaf of 11# coal lever. It had beed failed to control the fire only by closing it,and it was finally get success by the union of closing the fire field and reforming the ventilation system.
出处
《山西煤炭》
2000年第2期31-34,共4页
Shanxi Coal
关键词
封闭采空区
火区处理
经验
教训
control
close the goaf
fire field
experiences and lessons