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Different condition of economy and technology define different open pit limit. 不同的经济技术条件确定不同的开采境界。
The application conditions in the open pit of JDC were simply recommended. 并将预裂爆破在金堆城露天矿的应用情况作了介绍。
Rain has serious effect on the operation of long and narrow deep open pit. 降雨对狭长深凹露天矿的生产有严重的影响。
MAINTENANCE AND HARNESSING OF WATER-CONTAINING SILTY AND FINE SAND BED IN SOFT SLOPE OF OPEN PIT. 露天松软边坡内含水粉细沙层的维护治理。
Mining and Transportation Design of Deep Open Pit Limestone Quarry: An Example of Zhujiang Cement Co., Ltd. 珠江水泥有限公司凹陷露天石灰石矿开采与运输设计。
To intelligentized designing and mining the open pit,the information system of mine shoule be set up. 为实现露天矿山人工智能开采设计,需建立起矿山的信息系统。
It is shown that the big inclination conveying has good application prospect in large open pit mines. 应用表明,大倾角运输在大型露天矿具有良好的应用前景。
In this paper,the glide mechanism of the open pit slope in Yang Ji Shan Gold Mine is analysed. 本文根据洋鸡山金矿露天采场边坡滑移危害，分析了滑移机理。
The feasibility and necessity of using in-situ leaching after explosion in Huangfengling open pit was explored. 本文就黄峰岭露天矿改用原地爆破浸出的可行性和必要性进行探讨。
Whether open pit or underground excavation, is a strength and a scene of heavy engineering, human and material inputs is unimaginable. 不论是露天开采,还是地下挖掘,都是一项声势和场面浩大的工程,人力物力的投入是难以想象的。
To direct and control, under limited supervision, daily and long-term activities for all mining open pit operating departments. 指导、控制所有坑采部门的日常工作活动;
It is proven by practical application via drilling in an open pit mine that this method is effective of drilling in broken and leaking strata. 通过在某露天矿钻探生产应用实践与分析,证明利用该方法钻进破碎漏失地层是行之有效的。
Main Produces: Continuous open pit mining systems, Stockyard equipment, Ports and bulk terminals equipment, Conveyor transportation systems. （主要产品：连续露天采矿系统，堆场设备，散料码头设备，皮带机运输系统）
Dexing Copper Mine copper factory mining area in Jiangxi province is the largest scale open pit in China non-ferrous metal Industry. 江西省德兴铜矿铜厂矿区为国内最大的有色金属露采矿山。
Transportation of offroad autos in important in open pits. 矿用汽车运输是矿山露天开采中非常重要的环节。
The underground water in the area of Yujiagou has been contaminated by the leaching water of the dumping area of open pit coal mine of Xinqiu in Fuxin. 就阜新新邱露天煤矿排土场淋溶水对附近于家沟地区地下水环境质量的影响进行了研究。
The underground water in the area of Yujiagou has contaminated by the leching water of the dumping area of Open Pit Coal Mine of Xinqiu in Fuxin. 阜新新邱露天煤矿排土场淋溶水对附近于家沟地区的地下水造成了严重的污染。
Open pit mines are the main mine types in Nanjing,and their exploitations have occupied and destroyed large natural resources. 禁止开山采石后,加强矿山环境恢复治理是促进资源合理开发利用与生态保护相协调的必然要求。
A high-resolution, nonhydrostatic, three -dimensional dignostic PBL model for smallscale concave terrain(open pit mine )was established in this paper. 本大建立了一个针对小尺度深凹地形（深凹露天矿）使用的三维非静力的诊断模式。
In this paper environment risk assessment of the mine tailings reservoir engineering making use of open pit abandoned at Paishanlou Gold Mine was carried out. 研究了排山楼金矿利用废弃的露天采场作为尾矿库工程的环境风险评价问题。