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- parting thin seam 含夹矸薄煤层
- Adopting gob_side entry and packing wall in the middle road at double_unit face in thin seam are introduced, and the economic benefit is analyzed. 薄煤层对拉工作面中巷采用沿空留巷、砌充填墙的维护方法,并进行了经济效益分析。
- Through analysing the parameters,construction,designing principle of MG300BW type thin seam coal winning,this paper discusses its developing vista in extremum thin seam winning. 通过对MG300BW型薄煤层采煤机的参数、结构设计原理进行分析,论述在薄煤层开采中的发展前景。
- The paper introduced the development, design and structure of the thin seam coal shearer with an electric magnetic sliding differential speed control in detail. 详细介绍了电磁滑差调速薄煤层采煤机的开发设计思路、结构特点;
- In the thin seam fully-mechanized mining face,three machines assortment must be scientific and reasonable,the structure and size of all equipments must reach the most optimistic composition condition. 薄煤层综采机械化工作面三机设备配套要科学、合理,各设备的结构尺寸要达到最优化的配合状态。
- This paper introduces state of mining and reserving of thin and almost thin seam,analyses technology and methods of mining thin seam,meanwhile discusses design of hydraulic support in thin seam. 介绍了我国薄、极薄煤层赋存及开采状况,分析了薄煤层开采的技术及方法,并对薄煤层液压支架的设计进行浅探。
- Hereby the safety of the combined mining of thin seams under the close gob water was evaluated. 根据分析的结果评价了临界距离老空水下薄煤层联合开采的安全性。
- It's sad that we have to part company with them. 很遗憾我们要与他们分别了。
- The paper introduces the features and application of some coal-getting equipment for thin seams,gives point to the development of shearers. 介绍我国几种薄煤层开采设备的特点和应用,重点介绍滚筒采煤机的发展状况。
- Thin Seam Face Increase Yield Per Unit Effective Ways 提高薄煤层工作面单产的有效途径
- Thin seam coal shearer with electric magnetic speed control haulage 电磁调速电牵引薄煤层采煤机
- Do not part with the shares on any account. 无论如何不要放弃这些股票。
- Thin Seam Coal Mining of Steep Slope and Short Distance 急倾斜近距离薄煤层的开采
- A part of this urgent task was allotted to us. 这项紧急任务的一部分分给了我们。
- If everyone does his part, the project will surely be a success. 如果大家都尽责,这个项目肯定会成功。
- Plough: An Effective Way to Solve Thin Seam Mining in China 刨煤机是解决我国薄煤层开采的有效途径
- My inn had once been a part of an ancient ecclesiastical house. 我的客栈曾经是一个古老教会的房子的一部分。
- The right to dissent is part of our political system. 有持异议的权利是我们政治体制的组成部分。
- Application of air holders in gentle dip and thin seam 气垛支架在缓倾斜薄煤层中应用分析
- The astronaut accepted danger was part of the job. 太空人承认他们的工作中包含著危险。