College of Mechanical and Electrical Engineering;
Central South University;
Changsha 410083;
China;
Shenzhen Research Institute;
Central South University;
Shenzhen 518000;
China;
State Key Laboratory of Deep Sea Mineral Resources Development and Utilization Technology;
Changsha 410012;
China;
deep sea mining equipment; mining key technology; seafloor massive sulfide deposits; new technology;