1.
Pressure releasing and gas drainage with long bore hole in roof overburden of fully mechanized caving face
综放面顶板覆岩走向长钻孔卸压抽放瓦斯研究
2.
Study on Stability of Soil Cave Roof at Thick-covered Karst Zone in the Yinde Section of Passenger Dedicated Railway from Wuhan to Guangzhou
武广客运专线英德段厚覆盖型岩溶区土洞顶板稳定性研究
3.
a shingled church spire
用屋顶板覆盖的教堂尖顶.
4.
Experience in combined supporting for use in large-span underground chamber under soft roof strata
软岩顶板下大断面硐室联合支护经验
5.
Detector of Coal Seam Roof Strata Based on S3C44B0X Framework
基于S3C44B0X构架下的煤层顶板岩层探测器
6.
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
7.
The selecting type of the support and roof control in soft rock coal seam floor
软岩底板煤层支架选型及顶板控制研究
8.
Shale that has been subjected to great pressure from overlying masses of rock or through movements of the earth's crust may be metamorphosed into slate.
页岩受岩石覆盖物或地壳运动造成的巨大压力，可能变质，成为板岩。
9.
Roof Giant Conglomerate and Technology Controlling Roof Water;
巨厚砾岩顶板突水机理及防治技术研究
10.
Study on the Roof Stability of Concealed Karst Cave under Pile Foundation Loading in Karst Areas;
岩溶区桩基荷载下隐伏溶洞顶板稳定性研究
11.
Dynamical Geology Evaluation and Controlling Methods of the Roof Stability for Longwall Top-coal Caving Face;
综放面顶板岩体稳定性地质动态评价及控制
12.
The Supporting Study of Soft-Rock Composite Roof of Stoping Tunnel in Saqu Coal Mine;
沙曲矿回采巷道软岩复合顶板支护研究
13.
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
14.
Study on the Surrounding Rock Stability and Safety Control of Roadways Roof Embedded Weak Intercalated Seam;
软弱夹层顶板巷道围岩稳定与安全控制研究
15.
Fuzzy Reliability Analysis of Stability of Karst Roof under Pile Tip
基桩桩端岩溶顶板稳定性模糊可靠性分析
16.
Characteristics of Roof Weighing under huge thick Overburden Conglomerate
巨厚砾岩条件下的工作面顶板来压特征研究
17.
The detection of Hydrous quality about roof sandstone by mine transient electromagnetic method
顶板砂岩富水性的矿井瞬变电磁法探测
18.
Analysis of Stability of Cave Roof under Pile Tip in Karst Area
岩溶区桩端下伏溶洞顶板稳定性分析研究