A.in
B.on
C.with
D.for
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A.forward perpendicular
B.amidships
C.longitudinal center of floatation
D.after perpendicular
A.girders
B.longitudinals
C.side stringers
D.web plates
A.floors
B.margin plates
C.stringers
D.web frames
A.permit
B.entitle
C.authorize
D.give the right to
A.shall
B.should
C.would
D.had to
最新試題
Bags are usually stowed in between the bulk grain（）.
In Hatch No.3 the cargo（）bulk is peaked．
Atmospheres laden with coal dust or grain dust caused by loading these cargoes（）.
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（）.
Lighter longitudinal stiffening frames on the vessel side plating are called（）.
When a wind force causes a floating ship to heel to a static angle，the（）.
Transverse frames are more widely spaced on a ship that is designed with the（）.
A venetian vent or rice ventilator is used in stowage of which cargo?（）.
In a longitudinally-framed ship，the longitudinal frames are held in place and supported by athwartship members called（）.
On a vessel，the keel is the primary strength member of the lower hull form in which direction?（）.