1.
Research on Setting the Roof Protection Layer for Extracting the Pillars in Large Rooms at High and Medium Levels
高中段大面积矿房底柱回收护顶层留设研究
2.
Study on Failure Law and Support Technique of Stratified and Weak Rock Roof of Roadway;
煤巷层状软岩顶板破坏规律及支护研究
3.
Study on Roof Separation and Support Technology of Mining Roadways in Deep Mine;
深井回采巷道顶板离层与支护技术研究
4.
Reserving space for lane along the tunnel under the condition of soft coal bed,compound roof supports and protections;
松软煤层复合顶板联合支护 沿空留巷探讨
5.
Software development for bolting roadway roof separation monitoring system
锚杆支护巷道顶板离层监测系统软件的开发
6.
Study on Mining Technology of Protective Layer Under Long Distance in Pingdingshan Mining Area
平顶山矿区远程下保护层开采技术研究
7.
Research on coal roadway compound roof support with bolt-mesh-anchor
复合顶板煤层巷道锚网索支护技术研究
8.
Very Thick Coal Roadway Roof Analysis and Design Support System
极厚煤层巷道顶板分析及支护方案设计研究
9.
Application of Fault Uphill Tunnel Roof Pre-stressed Support Technology
断层上山巷道顶板预应力支护技术的应用
10.
On compound support for composite roof in gob-side entry in thin coal seams
浅谈薄煤层复合顶板沿空留巷联合支护
11.
Study on Complex Active Support System of Seam Gateway with Thick Carbonaceous Mudstone Roof
厚层炭质泥岩顶板煤巷复合主动支护系统研究
12.
false attic
【建】假(屋)顶层
13.
The top surface in an enclosed space of a ship.
顶板密闭的船舱的顶层
14.
Theory and Its Application Bolt and Cable Anchorage in Mining Roadway with Great Thick Complicated Roof Composed of Thin-bedded Strata;
薄层状巨厚复合顶板回采巷道锚杆锚索支护理论及应用研究
15.
Research on Shoring Technology of Compound Roof in DongRong Two Coal Mine in Suanyashan Mine Company;
双鸭山矿业集团东荣二矿十七层复合顶板支护技术研究
16.
Study on Laws of Surrounding Rock Stress Distribution and Roof-off-strata of the Gate Bolting Support;
煤巷锚杆支护围岩应力分布及顶板离层规律的研究
17.
Study on Technology of Large Access Upward Horizontal Layer Cut and Fill Stoping with Hydrualic Props Roof Supporting
水压支柱护顶大进路上向水平分层充填采矿工艺技术研究
18.
The truss cable support technology at the large cross-section set-up room with thick and broken coal roof
大断面厚层破碎煤顶综放切巷桁架锚索支护技术