Wall pier surrounding type segmented construction method for constructing breeding work ship
Tray jig frame tool for hull assembly line and using method of tray jig frame tool
Ship deck outfitting piece reverse-state installation device and reverse-state installation method
Segmented division method for culture cabin area of large-scale culture work ship
Method for manufacturing and installing base of full-revolving propeller
Marine equipment culture cabin coating protection method
Forward moving installation method for dock crane rail in floating dock closure stage