Multifunctional marine water area environment monitoring device
Integrated surveying and mapping ship based on Internet of Things and system thereof
Multifunctional rapid assembly type water area emergency repair platform
Offshore wind power operation and maintenance ship embarking device and embarking method thereof
Small water surface cleaning ship with flow guide device
Eccentric semi-submersible buoy type shore temperature automatic measuring and reporting device
Pressure test method for PV valve of cargo hold of chemical tanker