1.
Effect of horizontal stress and rock crack density on roof safety thickness of underground area
水平应力与裂隙密度对顶板安全厚度的影响
2.
Analysis of cave roof safe thickness in karst region based on catastrophe theory
基于突变理论的岩溶区路基顶板安全厚度分析
3.
Determination Method of Safety Thickness of Karst Cave Roofs Under Freeway Subgrade
高速公路路基岩溶顶板安全厚度确定方法
4.
The thickness reduction method in forecasting the critical safety roof thickness of gob area
采空区临界安全顶板预测的厚度折减法
5.
Technology of Safety and High Efficiency Mining Face under Extremely Hard and Thick Igneous Roof
特硬厚层火成岩顶板工作面安全高效开采技术
6.
Determination of Critical Thickness of Stiff Roof in Coal Mine Based on Thick Plate Theory
基于厚板理论的水平煤层顶板临界厚度的分析
7.
Numerical Simulation of Artificial Roof Thickness of Underground Mine Stope
地下矿山采场顶板厚度数值模拟研究
8.
Insurance of the Thickness of Precast Concrete Core Slab at the Top
预制混凝土空心板顶板厚度的质量控制
9.
Application of high density resistivity method to determination of aquifer thickness in top rock
应用高密度电阻率法探测顶板基岩含水层厚度
10.
Study and Application on Safety Control of Roof at Coal Face;
采煤工作面顶板安全管理的应用研究
11.
The first caving roof sections in hard coal layers can effectively reduce the pressure during the course of caving and guarantee safe production and efficiency.
坚硬煤层顶板分段初次放顶,能够有效缓解放顶期间的顶板压力,保证安全生产,提高生产效率。
12.
A tread depth of less than 1/16 inch is unsafe.
台胎纹厚度低于1/16英寸则不安全。
13.
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
14.
Technological Study and Practice on Safe and Efficient Mining Under Hard-Roof Condition
坚硬顶板条件下安全高效开采技术研究与实践
15.
Design and Research on Roof Safety Monitoring Data Integration Platform
顶板安全监测数据集成平台的设计与研究
16.
a section cuts the house from top to bottom. It shows the height of the rooms inside the building and the thickness of the floors, ceiling and roof.
剖面图把房屋从屋顶到地面切开。它标明房屋内部房间的高度及地板、天棚、屋顶的厚度。
17.
Design of a thick plate transfer story structure in top plate of basement
某工程基础顶板厚板转换的结构设计
18.
Safety Mining Feasibility and Coal Face Support Control under Main Roof of Thick Igneous Rock
厚层岩浆岩老顶下安全回采的可行性及支护控制