Buoy device for marine environment monitoring and monitoring method thereof
Buoy monitoring device for ocean information integration
Buoy system capable of automatically cutting residual load rod
Buoy with heavy fog early warning and fog dispersal functions and fog dispersal method
Capturing device applied to unmanned underwater vehicle and folding and unfolding method
Centralized treatment device for water hyacinth in river
Chain belt type semi-automatic kelp harvesting and slitting integrated ship and harvesting method
Channel underwater slope algae harvesting ship with cutting knife angle convenient to adjust
Chemical plant drainage water area safety monitoring system and method
Cleaning and smashing mechanism and method for water hyacinth