Air layer resistance reduction modular air injection device
Axial impact test device for hull deck and broadside opening structure
Beam transporting vehicle energy-saving system and method based on walking pressure control
Counterweight ball special for helicopter sling method operation
Experimental Study on Vibration of a Rotating Pipe in Still Water and in Flow
Experimental Study on Vibration of a Rotating Pipe in Still Water and in Flow
Gas layer distribution state monitoring device for ship gas layer resistance reduction
Hole and seam combined bubble resistance reducing device
Marine high-temperature-resistant pre-heat-insulation heat preservation plate
Occlusion connection floating type photovoltaic module support system