1. School of Architecture, Harbin Institute of Technology, Key Laboratory of Cold Region Urban and Rural Human Settlement Environment Science and Technology, Ministry of Industry and Information Technology, Harbin, China
2. School of Civil Engineering and Geomatics, Southwest Petroleum University, Chengdu, Sichuan, China
3. Southwest Oil & Gas Field Company, CNPC, Chengdu, China
4. Sichuan Xinshuntong Natural Gas Co, Ltd. Muchuan Gas Company, Leshan, China