Meinten Sie:
person:(Li, yuan)
•
person:(Li, juan)
•
person:(Li, duan)
•
person:(Li, guan)
•
person:(Li, quan)
Lifting type roof greening device, control system and method
Pesticide spraying structure and plant protection unmanned aerial vehicle
Pesticide spraying rod structure and plant protection unmanned aerial vehicle
Self-propelled aerification and aeration ship based on OWC principle and aeration method thereof
Floating renewable energy source and marine ranch integrated platform
Self-propelled multipurpose agricultural perforating machine
Multilevel cooperation-based unmanned aerial vehicle spraying operation method and device
Brake device of hand-push type agricultural perforating machine