1. State Key Laboratory of Mining Disaster Prevention and Control Co-Founded by Shandong Province and the Ministry of Science and Technology, Shandong University of Science and Technology, Qingdao 266590, China
2. College of Mining and Safety Engineering, Shandong University of Science and Technology, Qingdao 266590, China
3. Key Laboratory of Coal Mine Gas and Fire Prevention and Control of Ministry of Education, China University of Mining and Technology, Xuzhou 221116, China
4. Key Laboratory of Safety and High-Efficiency Coal Mining of Ministry of Education, Anhui University of Science and Technology, Huainan 232001, China