摘要
对宣钢石灰石矿的爆破进行分类 ,根据各类爆破的不同特点实行分级安全管理 ,降低爆破事故。
The classification for the explosion of limestone mine at Xuanhua Rron and Steel Company is gone on.According to the distinct characteristics of various explosion,the graded safety management is put into practice and the explosion accidents are reduced.