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- BDMX coal-mining method incluedes wall layout,roof control by ladder prop and bolt,and descending coal-mining. 阐述了BDMX采煤法,即“壁式布置,刀柱加锚固式管理顶板,下行开采”采煤法在新庄煤矿的应用。
- The roof control design in mined field is the key to roof control and the movement rule of roof terrane is the basis of the roof control design. 采场控顶设计是顶板管理的关键因素,而顶板岩层的运动规律是采场控顶设计的依据。
- The paper described in detail the high undercover large mining coal face roof control the basic requirements of the roof control and the strengthening of specific measures. 该文详细叙述了大采高卧底煤工作面顶板控制的基本要求和加强顶板控制的具体措施。
- This paper described the practice of using combined beam theory and suspensory theory,such as roof bolt,net,steel rope,and shotcrete being used together to strenthen roof control. 应用组合梁和悬吊理论,对松软岩层采用支护新技术,即锚、网、带、索、喷等联合支护方式,加强对松软岩层巷道顶板的控制,降低了材料支护费用,提高了软岩巷道支护的可靠性,同时也提高了松软岩巷的掘进速度。
- BDMX coal-mining method incluedes wall layout,roof control by ladder prop and bolt,and descending coal-mining.Its application in Xinzhuang mine is introduced. 阐述了BDMX采煤法,即“壁式布置,刀柱加锚固式管理顶板,下行开采”采煤法在新庄煤矿的应用。
- The key point of Grand pressure law on working face of seam top coal caving method,the method of dealing with them,firstly caving and end caving of working face roof control are discussed. 论述了中厚煤层综采放顶煤工作面矿压显现规律和顶板管理的特点,指出了综放工作面顶板管理的方法,以及工作面初采、收作时顶板管理的要点。
- The paper introduces roof control methods of goaf of large mining height fully-mechanized face by artificial forced caving with deep-hole blasting at seam 14 of Silaogou Mine and analyzes the effect. 介绍大同煤矿集团公司四老沟矿14%23层404盘区8402大采高综采工作面人工强制深孔爆破处理采空区顶板的技术,并对其效果进行了分析。
- The practices showed that the complex roof of C4 seam was effectively controlled.Therefore the roof control problem of the coal mining face under the complex roof conditions was solved. 实践应用表明,C4煤层复合顶板得到了有效的控制,解决了复合顶板条件下回采工作面的顶板控制问题。
- She and I can't live under the same roof. 她和我不能住在一起。
- This method is able to show the characteristics of Datong direct roofs,also has guiding meaning for roof control practice. 这种方法,既能反映大同直接顶板的特点,又对顶板控制的实践具有指导意义。
- According to the studying and acquainting with the direct roof control of Datong mining area,this paper offers a kind of simple and workable classification for direct roofs. 根据作者对大同矿区直接顶板控制的研究和了解,提出了一种简单易行的直接顶分类方法。
- Roof Control Method of Blasting Caving Coal 炮采放顶煤顶板控制方法
- Roof control of floor roadway in outburst seam 突出煤层底板大巷施工顶板管理
- The stone made a dent in the roof of my car. 我的汽车顶让石头砸了个坑。
- Snipers shot at the invaders from the roof tops. 狙击手从房顶上向侵略者射击。
- Roof control technology in soft floor working face 软底板工作面的顶板控制技术
- The rain water drips from the roof. 雨水从屋顶滴下来。
- During the gale roof tiles came hurtling down. 在暴风中屋顶的瓦片哗啦啦地落了下来。
- Can you shoot up at the bird on the roof? 你能射中房顶上的那只鸟吗?
- The pillars have to support the weight of the roof. 这些柱子须承受屋顶的重量。