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- Due to the special natural reserve conditions of steeply inclined short_interval thick coal seams,it is difficult to adopt mechanical mining and have severe influence between different coal seams. 急倾斜近距离厚煤层因其特殊的赋存条件,导致难以实行机械化开采且开采时煤层间相互影响严重。
- The low-coal seam synthesis mechanized mining of Shenhuo Xinzhuang mine is mostly to solve the height and power problem of mining equipment. 神火新庄矿薄煤层综合机械化采煤,主要是解决采煤设备的高度和功率问题。
- Recent years have started to use a lot of explosives, the entire mining instant, the mechanized mining of the imagination Oolong River have destroyed the natural resources. 最近几年更开始使用大量的炸药,将整个矿脉炸开,提高了开采的机械化,可以想象乌龙河的自然资源已经破坏。
- This paper analyses the reasons for the gob fire of the face with fully mechanized mining caving method in free burning seam and gives the gob fire eradication means. 分析了王营矿极易自燃煤层综放工作面采空区自燃发火的原因,提出了防治措施。
- That the mine steel and shed support is used instead of the bolting support with metal net and rope at combined mechanization mining face are introduced. 叙述了新集一矿采用锚网+锚索支护代替矿工钢和木棚支护在综采工作面的安装和撤除工程中的应用。
- Simultaneously, the gas control in roof caving and fully mechanized mining is the unsubstantial aspect of prevention measures for gas disasters in all over the world. 同时,放顶煤综采工作面的瓦斯治理也是世界各国煤矿瓦斯灾害防治技术的薄弱环节。
- Is this equipment tested for mechanical aptitude? 这台设备测定了其机械适应性了吗?
- We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
- Abstract: In this paper,technology for water injection by long bore hole in fully mechanized mining face was studied,relevant experience and some parameter were acquired,which provide a reference for using this method in similar faces. 文摘:以郑州矿区典型的“三软”煤层综放工作面为对象,试验研究了长钻孔注水防尘技术,取得了“三软”煤层长钻孔注水经验和参数,为郑州矿区类似条件的工作面推广该方法提供了参考。
- In this paper,technology for water injection by long bore hole in fully mechanized mining face was studied,relevant experience and some parameter were acquired,which provide a reference for using this method in similar faces. 以郑州矿区典型的“三软”煤层综放工作面为对象,试验研究了长钻孔注水防尘技术,取得了“三软”煤层长钻孔注水经验和参数,为郑州矿区类似条件的工作面推广该方法提供了参考。
- The move water have mechanical energy. 流动的水拥有机械能。
- With advanced testing and measuring instruments, the company has mechanized mining, mineral processing and transportation.The annual output of fluorspar products totals more than 200,000 tons. 技术力量雄厚,检测手段先进,采掘、选矿、运输机械化,年产各类萤石产品20多万吨。
- He went heels over head into buying mining stock. 他购买了矿业股票,做事真鲁莽。
- Serving as combined mechanized mining equipment, continuous shearer can realize mechanized mining on shortwall and tunnel drivage.It has broad application and bright market prospect. 连续采煤机作为一种综合机械化采掘设备,不仅能实现短壁机械化开采,而且还能进行巷道掘进,应用范围广泛,市场前景良好。
- Blinking is a mechanical action of the eyelids. 眨眼是眼睑的无意识动作。
- Authors introduce a fully mechanized mining technology with great mining length, height and dip angle adopted by No.12 colliery of Pingdingshan Coal Group under the condition of outburst coal seam. 本文介绍了平煤集团十二矿在高突条件下,进行的大采长、大采高、大倾角综采开采技术,采取的措施和取得的经验,并提出了有待解决的技术问题。
- Apart from the comprehensive dust prevention measures adopted in the case where a conventional fully ?mechanized mining system is used, some integrated measures are required to be taken. 当前,综采放顶煤工作面除沿用普通综采工作面采取的综合防尘措施外,还要采用一些综合的防尘措施。
- A mechanical model of the solar system. 太阳系仪太阳系的机械模型
- Author introduces the structure and the working principle of the secondary dust removal device with negative pressure as well as the application to fully mechanized mining face in Shuoli colliery. 介绍了综采割煤二次负压降尘装置结构、工作原理以及在朔里煤矿综采工作面使用情况。
- In a strict, step-by-step or mechanical way. 机械地以严格的,一步一步的或机械的方式