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- gently inclined orebody 缓倾斜矿体
- Non-pillar sublevel caving may be used in the mining of gently inclined medium thick orebody when footwall cutting technology is adopted. 在采用下盘切岩工艺后,无底柱分段崩落法可以在缓倾斜中厚矿体中应用。
- Gently inclined medium thick orebody 缓倾斜中厚矿体
- gently inclined and lamenate orebody 缓倾薄层矿体
- gently inclined and thin orebody 缓薄矿体
- gently inclined thin to medium orebody 缓倾斜薄-中厚矿体
- The vertical and parallel relations of the trench with drill drift are summarized by the bottom structure disposal design on inclined orebody footwall. 通过对倾斜矿体下盘底部结构的设计,总结了堑沟与凿岩巷道在垂直与平行位置关系,经比较和验算后合理设计底部结构,减少了开采损失贫化。
- The application scope of cut-and-fill mining is described which has extended from medium thick steeply inclined orebody to complex variable orebody. 论述了充填法采矿的应用范围,已从适用于中厚急倾斜矿体发展到适应复杂多变的矿体。
- Application of Short-Hole Method in Mining Gently Inclined Medium Thick Orebody 浅孔采矿方法在缓倾斜中厚矿体中的应用
- Kang T H, Jin Z M.Laws of Coal-Rock Movement and the Technical Parameters on the Fully Mechanized Sub-Level Caving Face of the Gently Inclined Seam [J]. the Ming Engineer, 1995. 康天合;宋选民.;煤层条件对顶煤可放性的影响研究[J]
- In the mining process of medium thick steeply inclined orebody,changing the relative position of manway and pass on the stope face to suit the change of orebody can reduce the dilution rate. 在中厚倾斜矿体的开采过程中,改变人道和溜井在采场面的相对位置,可适应矿体的变化,降低贫化率。
- Preliminary Study on the Mining Methods for Gently Inclined Medium Thick Orebody Below Quaternary Period 第四系下缓倾斜中厚矿体采矿方法的初步研究
- Influence of strike fault to gently inclined narrow orebody and mining countermeasure 走向断层对缓倾斜薄矿体开采的影响及开采对策
- Experimental Study of Blasting technique for Mining Gently inclined Extremely-thin Orebody 缓倾斜极薄矿体开采的爆破技术试验研究
- stratified side slop with gently inclined bedding 缓倾角层状边坡
- gently inclined high seam mining method 缓倾斜厚煤层采煤法
- gently inclined medium-thickness seam mining method 缓倾斜中厚煤层采煤法
- gently inclined medium-thick ore body 缓倾斜中厚矿体
- gently inclined thin layer weakness structure 缓倾薄层弱结构
- Research on bracing headboard of slightly inclined orebody 缓倾斜矿体采场顶板维护的试验研究