西石门 meaning in English

xishimen

Test research of the ventilation system transformation of xishimeng iron mine
西石门铁矿通风系统改造试验研究
Evaluation of ventilation system in xishimen iron mine and study on its transformation scheme
西石门铁矿通风系统可靠性评价及改造方案研究
The directional breaking blasting technology for underground development used in xishimen iron mine is described . a comprehensive summary is made of it which includes the test technology , the blasting parameters and the on - site application effect so as to provide precious experiences for other mines
论述了西石门铁矿井下掘进定向断裂爆破技术，对其试验工艺、爆破参数、现场应用效果等方面进行了全面总结，为其它矿山井下掘进提供了宝贵经验。