作者单位:MU Chao-min(School of Energy Resources and Safety, Anhui University of Science and Technology, Huainan Anhui 23001, China; Key Lab of Mining Coal Safety and Efficiently Constructed by Anhui Province and Ministry of Education,Huninan Anhui 232001 ,China)穆朝民(安徽理工大学能源与安全学院,安徽淮南232001;煤矿安全高效开采省部共建教育部重点实验室,安徽淮南232001)