并列正题名：Design and construction technology of urban complicated rail transit tunnels under condtions Design and construction technology of urban complicated rail transit tunnels under conditions 并列题名：Design and construction technology of semi-flexible pavement materials Digital construction technology of complicated steel structures Design and construction technology of urban underground space civil air defense engineering 并列题名：Research on key construction technology of super-large diameter shield of Shantou Bay tunnel in mixed face ground conditions Design & construction technology of road shield tunnel crossing the airport