山东煤炭科技Issue(9)：52-54,61,4.DOI:10.3969/j.issn.1005-2801.2019.09.021
极近距离下位煤层开采巷道布置优化和支护技术研究
Study on Roadway Layout Optimization and Support Technology for Mining in Lower Close Distance Coal Seams
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韩志敏..极近距离下位煤层开采巷道布置优化和支护技术研究[J].山东煤炭科技,2019,(9):52-54,61,4.
