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- The characters of deep mine are larger raw rock pressure,larger ore body plasticize,mine pressure severe appearance. 深矿井的特征是原岩压力大、矿体塑性大及矿山压力显现剧烈。
- Deep mining first blighted the West Virginia landscape. 深挖矿井首先使弗吉尼亚州的风景遭到破坏。
- Underground test showed that this system can control large do formation of deep mine to keep stability of its surrounding cock. 井下试验表明,高预应力、强力锚杆支护系统能有效控制深部巷道强烈变形,保持围岩稳定。
- The extraction of coal from these deep mines is expensive. 从这些深矿中取得煤是很昂贵的。
- After entering deep mining in Fujia mine, the orebody becomed small, stope layer transition increased, and productive capacity decreased. 富家矿转入深部开采以后,矿体变小,采场转层次数频繁,生产能力降低。
- With mining capacity continuous increase and with mine entering into deep mining stage,the grade of crude ore and the grindability of ore decrease that raise the cost of grinding. 随着矿山规模的不断扩大和进入深部开采,矿石的原矿品位和相对可磨度逐渐降低,磨矿成本随之升高。
- The cast and working capacity of driving and supporting tunnel increase several times over in mining deep mine.The subterranean heat problem gradually appears in the deep mine. 在深矿井开采中,巷道的开掘和支护成本、工作量都要成倍地增加,并且在深矿井中地热问题也逐渐显现。
- Most of large and middle scale open-pit mines in China have reached deep mining. 摘要我国的大多数大中型露天矿山已经或即将进入深部开采。
- JIANG Yaodong, ZHAO Yixin, LIU Wengang, et al.Investigation on three-dimensional model of instability of translatory coal bumps in deep mining[J]. 刘文岗;姜耀东;周宏伟;等.;冲击倾向性煤体的细观特征与裂纹失稳的试验研究[J]
- The influencing factors relating to chamber stability of deep mining stope were fully analyzed, and the factors were divided into 4 types. 摘要对影响深井采场凿岩硐室稳定性的因素进行了全面分析,并将影响因素分为4类。
- Rock-bursting is a special underground pressure behavior in deep mining in China currently and it intimidates seriously the safe mining. 冲击矿压是当前我国煤矿深部开采出现的一种特殊的矿山压力现象,它严重威胁井下安全生产。
- Probe into Prevention of Heat Hazard of Deep Mine 深井热害防治探讨
- Probing into Cooling Technique for Deep Mine 深井降温技术的探讨
- Calculation of air condition cold load in deep mine 高温矿井空调冷负荷计算
- 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。
- This artical introduces the formation of heat in deep mining,assorts the main ten kinds of heat soures and gives inter related physical formula and calculation way. 介绍了深部矿井内热量的成因,将主要的十种热源进行了分类并给出了相关的物理公式和计算方法。
- 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?
- 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。