2) steep and extremely narrow vein
急倾斜极薄矿体
3) steep deposit
急倾斜矿体
1.
Law of ground movement and its deformation mechanism induced by mining steep deposit
急倾斜矿体开采岩体移动规律与变形机理
5) steeply-inclined narrow vein
急倾斜极薄矿脉
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。
6) Steeply inclined thin ore vein group
急倾斜薄矿脉群
补充资料:慌慌急急
1.见"慌慌促促"。
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