Multifunctional marine water area environment monitoring device
Water injection and drainage lifting type anti-stormy-wave ocean platform
Integrated surveying and mapping ship based on Internet of Things and system thereof
Offshore floating type fan and semi-submersible type breeding platform coupling structure
Eccentric semi-submersible buoy type shore temperature automatic measuring and reporting device
Buoy device for marine environment monitoring and monitoring method thereof
Auxiliary workboat for agricultural planting and rice transplanting
Pressure test method for PV valve of cargo hold of chemical tanker
Laying method and laying device for underwater inductive coupling transmission equipment
Semi-submersible offshore fishing ground platform with lightweight frame structure
Portable device for retracting and releasing underwater measuring instrument
Large-scale mariculture net cage platform convenient to move
Offshore floating type wind power equipment coupled with deep sea aquaculture net cage
Movable tandem type floating liquid cargo lightering maritime work platform and lightering method
Deep and far sea culture system powered by offshore wind turbine
Survey vessel for detecting sludge and method for detecting sludge by using survey vessel