弓长岭铁矿上下含铁带开采稳定性研究 / A study of the mining stability of the upper and lower iron ore layers of Gongchangling iron mine
- Resource Type
- Academic Journal
- Source
- 中国矿山工程 / China Mine Engineering. 50(3):23-26
- Subject
稳定性 隔离岩柱 垮塌 充填 - Language
- Chinese
- ISSN
- 1672-609X