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- Application of large - diameter pre - fissures or smooth blasting in underground experiment stop of non - pillar continuous mining is introduced in the paper. 介绍了大孔径预裂(光面)爆破技术在凤凰山铜矿无间柱连续采矿试验采场中的应用。
- The working face configuration type of continuous mining applied in this study can form a free-of-pressure arch effect which is beneficial to the stope stability. 研究中采用“品”字形连续开采的工作面布置方式可形成免压拱效应,有利于采场的稳定性。
- A three-dimensional finite element model was constituted to simulate the yield process of the macro-horizontal jamb in the tectonic stress field caused by continuous mining. 通过建立三维有限元弹塑性力学模型,模拟计算了水平矿柱上各盘区的屈服破坏过程。
- Continuous mining for ore drawing and hauling in stope is one of the important achieve-ments in the research area of continuous mining technology in China. 采场出矿运矿连续作业,是近年来我国在连续工艺技术研究领域中所取得的重大成果之一。
- Taking 2-2 coal seam of Halagou coal mine for example,laneway system and its interrelated parameters with short-wall and continuous mining machine in Shendong mining area were introduced. 以哈拉沟煤矿2-2煤层的开采系统为例,介绍了神东矿区连续采煤机短壁式机械化开采的巷道系统及其相关参数。
- With the advent of the large scale and continuous uderground mining equipment,the continuous mining in underground metal mines has become the development orientation mining. 随着地下采矿设备的大型化、连续化,地下金属矿山的连续开采已成为矿山开采的发展方向。
- short-wall method with continuous mining machine 连采短壁采煤法
- uniform speed and continuous mining 匀速连续开采
- He went heels over head into buying mining stock. 他购买了矿业股票,做事真鲁莽。
- upward horizontal slicing and filling non-pillar continuous mining 上向水平分层充填无间柱连续回采
- A continuous inked ribbon used on output units. 在输出设备(如打印机)上使用的一种连续上油墨的色带。
- This area depends on the mining industry. 这个地区以采矿业为经济基础。
- The brain needs a continuous supply of blood. 大脑需要连续不断地供血。
- He tried gold mining, pearling and fur trapping. 他尝试过淘金,采珍珠和猎兽皮。
- He was trained there as a mining engineer. 他在那里被培养成一名采矿工程师。
- A continuous course of stones supporting a wall. 墙基层支撑一堵墙的一组连续的石块
- The broker claimed that mining shares had moved up to a new level. 经纪人声称,矿业股票的行市已上升到新的水平。
- continual mining working surface 连续采煤工作面
- Earth, rocks, or clay excavated in mining. 废石在采矿过程中挖掘的土、岩石或粘土
- Be this a continuous flight, or do we stop off anywhere. 我们是不著陆的连续飞行呢,还是要在中途的什麽地方停一停。