地面构筑物保护煤柱留设方法分析及优化 / Analysis and Optimization Research on the Method of Protecting Coal Pillars with Ground Structures
- Resource Type
- Academic Journal
- Source
- 河南科技 / Journal of Henan Science and Technology. 40(15):65-67
- Subject
应力平衡;保护煤柱;煤柱留设方法;地表移动变形 - Language
- Chinese
- ISSN
- 1003-5168