Don Blankenship, CEO, Massey energy: "Most coal mined by surface mining cannot be deep mined... energy resources would be lost if not surface mined... our company is an energy company," he added.
MasseyEnergy的首席执行官Don Blankenship表示：“采用地表采矿，大多数煤炭不能深采…不采用地表采矿，会造成能源损失…我们公司是能源公司。”
In the course of surface mining, it is easy to exit bedrock and affect loading if the borehole is bad quality;
在露天矿山开采中，如果钻孔质量不好，爆破后易留有根底，直接影响铲装；
The blasting effect in surface mining is controlled by many indexes, and is a comprehensive evaluation problem.
露采爆破效果的优劣是由多项指标控制的，是一个综合评价问题。
The selection of dragline is a key problem to be handled when applying dragline for open cast in surface mining.
露天矿应用拉斗铲倒堆工艺的关键问题首先要做好拉斗铲的选型。
The environmental effect of surface mining on the groundwater was studied by leaching experiment and model forecast.
通过淋溶实验和模型预测对露天开采对地下水的影响进行了研究。
By dynamic programming method, authors put forward a decisive method of mining procedure of large surface mining deposits.
本文运用动态规划方法。提出了一种确定特大型水平、近水平露天矿田开采程序的方法。
The production efficiency of surface mining depends on proficiency of the technicians and workers in situ to a considerable degree.
露天矿生产效率的高低，很大程度上取决于现场技术人员及操作工人的素质高低。
Supervisors in this unit group supervise and co-ordinate activities of workers engaged in underground and surface mining operations and quarries.
本单元组主管监督和协调从事地下和地表采矿作业和采石场工人的活动。
The gray relation degree indicates that the series for adaptability of every mining method are surface mining, sublevel caving mining, block stop mining etc;
灰关联度计算表明，采矿方法适应性排序为：露天开采法、分段崩落法、阶段矿房法等；
Mobility between surface mining, underground mining, coal or metal mining sectors may be limited by differences in production technologies and licensing requirements.
表面开采，地下开采，煤或金属采矿行业之间的流动性可能会因生产技术和许可要求的差异而受限制。
Moreover, there are some other influencing factors such as: thick loose bed, surface mining degree, impel speed of working face, coal mining and roof manage methods, mining procedure and time.
此外，厚松散层、地表采动程度、工作面推进速度、采煤方法与顶板管理方法、开采程序及时间因素等对采场覆岩空间结构均有一定影响。
This article gives a detailed analysis of the characteristics of conventional surface mining equipment and techniques as well as problems arising from mining in coal seams with difficult conditions.
针对露天煤矿复杂煤层的地质条件，全面分析了传统的露天采矿设备、工艺形式的特点和在复杂煤层开采中存在的问题。
Drillers and Blasters? Surface Mining, Quarrying and Construction.
钻孔者，爆破工？表层采矿，采石和建筑。
Drillers and Blasters? Surface Mining, Quarrying and Construction.
钻孔者，爆破工？表层采矿，采石和建筑。
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