单项选择题
A.the minimum B.to little amount C.the maximum D.to great amount
Bilge keels are more effective at dampening rolls as th...
单项选择题Bilge keels are more effective at dampening rolls as the().
A.pitching increases B.list increases C.rolling increases D.draft decreases
Before counterflooding to correct a list,you must be su...
单项选择题Before counterflooding to correct a list,you must be sure the list is due to().
A.negative GM B.flooding C.off-center weight D.reserve buoyancy
At an angle of loll,the righting arm (GZ) is().A.maximu...
单项选择题At an angle of loll,the righting arm (GZ) is().
A.maximum B.negative C.positive,but reflexive D.zero