单项选择题
A.Shifting cargo B.Moving cargo C.Removing cargo D.Trimming cargo
Transverse frames are more widely spaced on a ship that...
单项选择题Transverse frames are more widely spaced on a ship that is designed with the（）.
A.centerline system of framing B.isometric system of framing C.longitudinal system of framing D.transverse system of framing
The heavier outboard strake of deck plating on a ship i...
单项选择题The heavier outboard strake of deck plating on a ship is called the deck（）.
A.stiffener B.beam C.stringer D.doubler
The disinfection of various compartments in a vessel by...
单项选择题The disinfection of various compartments in a vessel by filling with a gaseous agent to destroy rats and all insects pests which act as germ carriers means（）.
A.displacement B.fumigation C.discharging D.compensation
