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- 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。
- 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。
- 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。
- The extraction of coal from these deep mines is expensive. 从这些深矿中取得煤是很昂贵的。
- 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。
- 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。
- 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。
- 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 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。
- In this paper,according to the require of deep mining,the unconfined uniaxial compression strength test of backfill at a different ratio、different density and different curing age has been done. 根据矿山深井开采的需要,对不同灰砂配比、重量浓度和养护时间的高浓度水泥尾砂充填体试块在建材压力机上进行了无侧限单轴压缩强度测试。
- Aimed at the actual situation of single-fin long mining area deep mining,taked the unified planning for the mining,design exploitation varies with subarea and situation of area,substep. 针对大单翼长采区深部开采的实际情况,对采区进行了统一规划,分区、分步进行设计开采;
- I was deeply moved by her earnestness. 她的诚挚让我深受感动。
- 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。
- He deeply lamented the death of his wife. 他对妻子的去世深感悲痛。
- He felt deeply affronted at her rudeness. 他深为她的粗野所触怒。
- We are all deeply moved by his patriotism. 我们都被他的爱国精神深深感动了。
