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- thin seam unit 薄煤层机组
- 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;
- Thin Seam Face Increase Yield Per Unit Effective Ways 提高薄煤层工作面单产的有效途径
- 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。
- 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。
- Double Unit Coal Mining Technology for Thin Seam Coal Mining Tace with Road Retained for Next Sublevel 薄煤层沿空留巷对拉开采技术
- Development and Application of the Powerful Geared-head Unit for Thin Seam Shearer 薄煤层采煤机大功率截割传动部的研制与应用
- The luminous intensity on unit area. 单位面积上的发光强度。
- It is dangerous to walk on thin ice in a lake. 在湖中薄冰上行走是很危险的。
- Thin seam coal shearer with electric magnetic speed control haulage 电磁调速电牵引薄煤层采煤机
- A seam broke open at the sleeve. 袖子上接缝处裂开了一点。
- The family is the smallest social unit. 家庭是社会最小的单位。
- He has very thin legs and knobbly knees. 他腿很细，膝盖呈圆球状凸起。
- That thin red line tipped with steel. 那根细细的红线末端装有钢头。
- A torn or split place, especially along a seam. 裂口破损或撕开的地方，尤指沿缝合处
- Thin Seam Coal Mining of Steep Slope and Short Distance 急倾斜近距离薄煤层的开采
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
