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- Based on the analysis of the blasting factors,this paper analyzed the effect of different hole spacing upon the hard top coal by pre-splitting blast and thus obtained reasonable blasting. 在探讨爆破工艺参数的基础上,利用数值模拟技术分析不同炮孔间距对该矿坚硬顶煤预裂爆破的影响并得出合理的炮孔布置间距,为顶煤预裂爆破弱化方案的设计提供了理论依据。
- Any of a class of powerful explosives composed of nitroglycerin or ammonium nitrate dispersed in an absorbent medium with a combustible dope, such as wood pulp, and an antacid, such as calcium carbonate, used in blasting and mining. 黄色炸药任一种强有力的炸药，由硝化甘油或硝酸氨与可爆剂量的易吸收的媒体如木浆及抗酸剂，如碳酸钙混合而成。用于爆炸和采矿中
- Air cannon block clearer is a special device used to prevent and remove the material blast and block of all kinds of bunker, hopper, cement preheating furnace, pipeline Y section and mine drawshaft and drawslope. 空气炮清堵器是防止和消除各类型料仓，料斗、水泥预热器窑和管道分叉处及矿山溜井、溜坡的物料起拱，粘仓闭塞等现象的专用装置。
- I'll meet you halfway between your house and mine. 我在你的房子和我的房子的中间处与你碰面。
- The Application of Combined Suspension Frame Top-coal Blasting and Mining Technique in Gushuyuan Coal Mine 组合悬移支架炮采放顶煤工艺在古书院矿的应用
- Optimized design on four linkage mechanism of hydraulic powered support for top coal caving and mining 放顶煤液压支架四连杆机构优化设计
- A hedge forms the division between her land and mine. 有一道树篱在她的土地和我的土地之间形成了分界线。
- This whistle blew full blast and woke everyone up. 哨声使劲地响个不停，把大家都吵醒了。
- Thus, the Lord said: "I have smitten you with blasting and mildew. 上帝这样说道：“我以旱风霉烂攻击你们。
- Manage Environment in Exploration and Mining Area. 管理矿区环境。
- Surface condition of plates before shot blasting and priming. 板材在喷砂处理和涂装底漆之前的表面状况。
- It is key problem to raise the top coal recovery rate of the fully mechanized sublevel caving mining. 提高顶煤放出率是综放开采的一个重大课题,预注水弱化顶煤是解决这一问题的有效方法之一。
- Your people and mine could hardly communicate. 你们的人和我们的人是没法打交道的。
- There are fundamental differences between your religious beliefs and mine. 你我的宗教信仰根本不同。
- The caving of hard top coal of 4-2# coal seam in Tongchuan Jiaoping Coal Mining Area seriously impacts the production efficiency of the mine. 铜川焦坪矿区4-2%23煤层坚硬顶煤垮落破碎难题是严重影响矿井生产效益的"瓶颈"。
- Yours is a lower berth, and mine is an upper one. 你的铺位是个下铺，我是个上铺。
- His figures and mine don't tally. 他算出的数字和我得出的对不上。
- This article introduced applications,observation and research's actuality and developing trend of fully mechanized top coal caving mining under water. 介绍放顶煤开采技术在水体下采煤领域中的应用情况、观测研究现状及其发展趋势。
- Her politics and mine diverge greatly. 她的政见和我的政见分歧很大。
- Your idea and mine don't quite hang together. 你的想法与我的想法不尽一致。
