这是俄罗斯一处钻石矿，矿主计划于2010年停止采矿，这样将有利于地下开采。
The Udachnaya Pipe is a diamond mine inRussia. The owners of the mine plan to cease its operations in 2010 -in favor of underground mining.
表面开采，地下开采，煤或金属采矿行业之间的流动性可能会因生产技术和许可要求的差异而受限制。
Mobility between surface mining, underground mining, coal or metal mining sectors may be limited by differences in production technologies and licensing requirements.
最后介绍了湿润剂在地下开采矿山中的具体应用方法。
At last, the paper introduces the application method of wetting agents to suppress dust in underground mines.
应用推荐