Inclined ladder for measuring space position of tail end of gangway ladder and measuring method
Hydraulic engineering detection instrument and operation method
Establishing method of marine simulation experiment system suitable for pod propulsor
Device and method for measuring length of anchor chain of marine windlass
Buoy for monitoring silting state of river bottom sludge
Multifunctional buoy for marine environment monitoring
Method for measuring slamming pressure borne by ship during sailing in sea waves
Device and method for judging safety of laying ship in buoy lifting process
Sectional type triple-hulled vessel model and wave load measuring method
Water flow velocity measuring device for water conservancy detection and use method thereof
Water environment factor monitoring device and use method thereof
Measuring tool and installation method of scientific investigation fin track
Control robot for water area monitoring and control method