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- Numerical simulation study on the relationship between mining height and subsidence factor in deep strip pillar mining 深部条带开采下沉系数与采厚关系的数值模拟
- deep strip pillar mining 深部条带开采
- strip pillar mining 条带开采
- Xie H P, Duan F B, Zhou H W, et al.Recent development of theory and analysis method of strip pillar stability[J].China Mining, 1998,7 (5): 37-41. [3]谢和平;段发兵;周宏伟;等.;条带煤柱稳定性理论与分析方法研究进展[J]
- It is a key for a high level pillar mining's success to prevent backfill from being destroyed. 充填体不产生大规模破坏是高阶段矿柱成功回采的关键。
- Study on bolt supporting of retain strip pillar in strip top-coal mining 条带放顶煤开采条带煤柱支护技术
- Sill pillared mining has been used in Tongshan Copper Mine where high tonnage of ore has been reserved in the sill pillars. 铜山铜矿采用有底柱采矿法留下的底柱矿石量较大。
- Study of mine pressure with room- pillar mining in Nantun Coal Mine 南屯煤矿房柱式开采矿山压力研究
- Some plants push their roots deep into the soil. 一些植物的根深深长入土中。
- The medieval town was fortified with a high wall and a deep moat. 这座中世纪的城市周围建有城墙和护城河。
- Can you ladle the soup out of this deep pan for me? 你能从这个深底锅里舀点汤给我吗？
- Keywords tributary area theory;inclined strip pillar;pillar stability;ground subsidence form; 从属面积法;倾斜条带煤柱;煤柱稳定性;地表下沉曲线形态;
- A deep gorge separates the two halves of the city. 有一道深谷把这座城市分成两部分。
- The tractor has make deep furrow in the loose sand. 曳引机在松软的沙土上留下了深深的车辙。
- A deep ravine is on the left of the road. 有一道深沟在马路左边。
- It has its roots deep in the Middle Ages. 它起源于遥远的中世纪。
- A deep melancholy runs through her poetry. 她的诗中贯穿著悲伤的情调。
- Discussion on ventilation leakage law in gateway of room and pillar mining 关于房柱式开采巷道漏风规律的探讨
- A heavy lorry floundered about in deep snow. 一辆重型卡车在厚厚的积雪中艰难地行进。
- She had just woken from a deep sleep. 她刚从熟睡中醒来。
