PDF(1051 KB)
PDF(1051 KB)
PDF(1051 KB)
基于厚板理论的水平煤层顶板临界厚度的分析
Determination of Critical Thickness of Stiff Roof in Coal Mine Based on Thick Plate Theory
| {{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
| 〈 |
|
〉 |