机译:煤层底板突水与主顶板权重的关系
[1]School of Energy and Safety, Anhui University of Science & Technology, Huainan 232001, China;
[2]State Key Laboratory of Coal Resources and Safe Mining, China University of Mining & Technology, Xuzhou 221116, China;
Floor water inrush; Main roof weighting; Water-resistant key strata; Forced caving;