bed top是什么意思

网络释义

用法例句

Study on the Apical Plate of the Water-Inrush Mechanism and the Technique of Prevention and Harnesing in Huafeng Coal Mine;

华丰煤矿顶板突水机理及防治技术研究

Study on Dynamic Monitoring System Based on Ethernet for the Top in Coal Mine;

基于以太网的煤矿顶板动态监测系统研究

Design of expert system of coal mine roof control and management based on MapInfo

基于MapInfo的煤矿顶板管理与控制专家系统设计

Numerical simulation of deep-hole blasting and its application in mine roof weaken

深孔爆破数值模拟及其在煤矿顶板弱化中的应用

Optimization of coal seam roof and floor stripping equipment for use in Shengli East No.2 Open-pit Coal Mine

胜利东二露天煤矿煤层顶底板剥离设备优化

Analysis on Influence Elements of Coal Roadway Roof Stability in Halagou Coal Mine

哈拉沟煤矿煤巷顶板稳定性影响因素分析

The Design of the System to Moniter the Roof Abscission Layer under the Well of the Coal Mine

煤矿井下顶板离层位移检测系统的设计

Bolting Feasibility Analysis of compound roof entry in WuFeng coal mine

五凤煤矿复合顶板巷道锚杆支护可行性分析

Fire Prevention Practice on Drilling Holes with Inclined Slices on Fully Mechanized Face Roof of Thick Seams in Junde Colliery

峻德矿特厚煤层综放面顶板下斜钻孔防火实践

Rock pressure of high angle thick coal seam by numerical calculation

大倾角坚硬顶板厚煤层矿压规律数值计算

Investigation on Failure and Water Inrush from Roof of 5th Coal Seam in Fangezhuang Coal Mine

范各庄矿5煤顶板破坏及突水模拟研究

Control on rock friction sparks and heating-up of sandstone roof in a coal mine

抑制煤矿砂岩顶板岩石摩擦火花和升温

Classification of Seam Roof Structure Type in Xutuan Mine Based on Fractal Theory

基于分形理论的许疃矿煤层顶板结构类型划分

Developmental rules of the hydraulic fractured zone of working face 22101 in Huoluowan coal mine

霍洛湾煤矿22101工作面顶板两带发育规律

Determination of Pressure Step for Hard Roof at XV2306 Working Face in Wangtaipu Coal Mine

王台铺煤矿XV2306工作面坚硬顶板来压步距确定

Practices of Main Mineable Coal Seam Roof Processing in Aai Mine Area, Kuqa County, Xinjiang

新疆库车县阿艾矿区主采煤层顶板处理实践

Research on the Tunnel Supporting and Propriate Coal Wedre Preserving under the Provide of the Upper Plate of Qiling Coal Mine;

七岭煤矿坚硬顶板条件下巷道支护及合理煤柱留设研究

Research on Engineering Geological Properties and Stability of the 8_2 Coal Seam's Roof of Xutuan Coal Mine

许疃煤矿8_2煤层顶板工程地质特性及其稳定性评价