1) short hole mining
浅孔落矿
1.
Production practice of short hole mining technique in Xinhua Molybdenum Mine
浅孔落矿技术应用于新华钼矿的生产实践
2) shrinkage stoping with shallow hole
浅孔留矿
1.
31 $RMB and the amount of gold mine increased by more than 30,000 ton per year with shrinkage stoping with shallow hole and keeping the ore to be left as new mining method.
0 7元/吨 ,改用浅孔留矿法后 ,采矿直接成本降为 2 0 。
4) Short-hole shrinkage method
浅孔留矿法
1.
Short-hole shrinkage method is commonly employed in mining steeply-inclined narrow vein.
对于急倾斜极薄矿脉的开采国内外最常用的采矿方法是浅孔留矿法,实践表明,该法存在人工劳动强度大、矿石贫化率高等缺点。
2.
The paper analysed the characteristics of the existence of ore body and main technological proposes in Longtoushan gold deposit,to propose the technological measures about design and construction about short-hole shrinkage method,thus the ore loss and rock dilution were significantly reduced and ensure safety in production,and the better technological and economic profits were achieved.
本文分析了龙头山金矿矿床开采技术条件特点及主要技术问题,指出应用浅孔留矿法的设计施工技术措施,从而降低矿石损失贫化率指标,确保采矿安全生产,提高矿山企业技术经济效果。
5) shrinkage stoping with short hole
浅孔留矿法
1.
The paper introduced the technological study and improvement based on the shrinkage stoping with short hole in Zhangjiakou Jinyuan Gold Co.
介绍了张家口金圆黄金有限责任公司对原浅孔留矿法进行的技术研究与改进,并在实践中取得了较好的技术指标和经济效益。
补充资料：留矿采矿法
见自然支护采矿法。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条