Mechanism and treatment method of water inrush in karst tunnels and engineering application 并列题名：Mechanism and treatment method of water inrush in karst tunnels and engineering application Machanism and treatment of water inrush for tunnelling and underground engineering Fuzzy optimal method of complex mechanical structure and engineering application Large-span retractable-roof structures and engineering application 并列题名：Machanism and treatment of water inrush for tunnelling and underground engineering 并列题名：Fuzzy optimal method of complex mechanical structure and engineering application