2) top and bottom pillar
顶底柱
1.
Stope stability analysis of using upward continous draft-filling stoping to withdraw top and bottom pillar;
上向连续进路尾砂充填法回采顶底柱的采场稳定性分析
3) non-pillar
无底柱
1.
Taking the conditions of the medium ore body of-250?m phase in Zhangjiawa Iron Mine as background,a simulating experiment was carried out with different constructional parameters for non-pillar sublevel caving.
以张家洼铁矿-250 m中段矿体赋存条件为背景,进行了无底柱分段崩落法不同结构参数的放矿模拟试验。
2.
Deficient floor slope angle of an ore body often needs to dig a drift (or access) in its footwall rock when adopting non-pillar sublevel caving following-vein excavation.
采用沿脉布置的无底柱分段崩落法,当矿体底板倾角不足时,需要在下盘岩石中开掘进路。
3.
Large interval mining is a core component of the large interval centralized non-pillar mining technique" of the Tenth Five Year Plan.
大间距采矿是国家“十五”攻关课题“大间距集中化无底柱采矿新工艺研究”的核心内容。
4) base bleed grain
底排药柱
1.
This paper deals with the ignition dependability, inflammation-erode, and burning velocity for base bleed grain using testing method.
论文运用试验方法对底排药柱点火可靠性、点火烧蚀性及燃烧速度进行试验研究及计算分析,摸清了底排点火燃烧机理,为底排弹的内弹道计算与工程设计提供参考。
2.
This paper deals with the ignition process of the base bleed grain consisting of NH 4ClO 4 (AP) and hydro terminated polybutadiene (HTPB) by the GC-45 igniter with the ignition composition ZrH 2+PbO 2 and modified igniter with the ignition composition Mg+PTFE.
采用点火瞬时性模拟试验装置和旋转中止燃烧试验装置实验研究了点火药为ZrH2 +PbO2 的GC -4 5点火具和点火药为Mg +PTFE的改进型点火具对AP/HTPB底排药柱的点火。
5) artificial sill pillar
人工底柱
1.
A few points concerning application of artificial sill pillar;
有关人工底柱应用问题的探讨
2.
Experience and skill for artificial sill pillar design and construction in medium-thick orebody
中厚矿体人工底柱设计施工经验及技巧
6) Stope sill pillar
采场底柱
补充资料：底柱
1.山名。在三门峡黄河急流中，其形如柱，故名。现已炸毁。底，也写作"砥"。
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