1. School of Safety Engineering, China University of Mining and Technology, Xuzhou 221116, China
2. Shenzhen Urban Public Safety Technology Research Institute Co., Ltd., Shenzhen 518000, China
3. Dagang Oilfield Foreign Cooperation Projects Department of PetroChina, Tianjin 300280, China
4. Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou 313001, China