您要查找的是不是：
- caving mining under metal mesh 网下放顶煤
- 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。
- Formula(1)，(2)，(6)，(7) are calculating foundati on to define working face length for fully mechanised caving mining under defini te geology factor. 文中式(1)、(2)、(6)、(7)可作为在地质因素一定的条件下，确定综放工作面长度的计算依据。
- Favorable and unfavorable factors of mining under sea are analyzed in this paper after introducing the cause of selecting full-mechanized caving mining. 摘要介绍了龙口海域下开采的有利与不利因素，分析了海域下选择综放开采的原因；
- Caving mining under the condition of hard coal and rock 坚硬煤岩条件下放顶煤开采
- Feasibility of strip mining method applied to coal caving mining under villages 条带法实现村庄下放顶煤开采的可行性
- A building material, such as a sheet of metal mesh, used for similar purposes. 类似板条的建材建筑材料，例如金属网，与板条用于相同目的
- Prevention and Control of Gas and Spontaneous Combustion in Caving Mining under Artificial Roof 假顶下放顶煤开采瓦斯和自然发火防治
- HENGSHUI JIULONG METAL MESH PRODUCT CO., LTD. 衡水久隆金属网类制品有限公司。
- PRELIMINARY STUDY OF OVERBURDEN BREAKDOWN LAW WITH FULL MECHANISED TOP COAL CAVING MINING UNDER THICK AND HARD GNEISS 硬厚片麻岩下综放采煤覆岩破坏规律初探
- Study on parameters of surface movement caused by top-coal caving mining under thick alluvial soil 厚松散层放顶煤开采条件下地表移动参数研究
- Mine sieving mesh is a kind of metal mesh components for sifting and filtering. 矿筛网是一种用于筛分过滤的金属网状结构元件。
- A trial study on longwall top-coal caving mining under sand-prevention and caving-prevention pillars near strata outcrop zone 露头区防砂防塌煤柱条件下综放开采试验研究
- A building material,such as a sheet of metal mesh,used for similar purposes. 类似板条的建材建筑材料，例如金属网，与板条用于相同目的。
- Besides, we can produce all types and standards of metal mesh demister. 本公司还专业生产各种型号规格的金属丝网除沫器。
- STUDY ON ROOF CAVING MINING OF COAL UNDER WIRE MESH 金属网下综采放顶煤工艺研究
- Is a metal mesh or steel mesh belt conveyor carrier as a delivery device. 是采用金属网带或塑钢网带作为输送载体的一种输送设备。
- Widely used in manufacture of metal mesh, hulan and highway construction. 广泛应用于制造金属丝网、高速公路护拦及建筑工程。
- The application of bolt,metal mesh and bolding rope in Tongjialiang Mine are introduced,the supporting and dissemination value are analyzed. 介绍了锚杆、金属网、锚索联合支护技术在大同煤矿集团公司同家梁矿12层408盘区的应用,分析了支护效果及推广价值。
- Ground building is wrecked by ground coal mining under village. 村庄下压煤开采,造成地面房屋破坏。
