1. Foreign Languages Department, Tourism College of Zhejiang, Hangzhou 310043, China
2. Faculty of Environmental Engineering, The University of Kitakyushu, Kitakyushu 808-0135, Japan
3. Innovation Institute for Sustainable Maritime Architecture Research and Technology, Qingdao University of Technology, Qingdao 266033, China
4. Chemical Engineering and Technology, Zhejiang University of Technology, Hangzhou 310014, China
5. School of Municipal and Environmental Engineering, Jilin Jianzhu University, Changchun 130118, China