单项选择题
A.heel B.trim C.list D.loll
A semisubmersible with a negative GM flops to an angle ...
单项选择题A semisubmersible with a negative GM flops to an angle of（）.
A semisubmersible which flops between forward and aft a...
单项选择题A semisubmersible which flops between forward and aft angles of trim is likely to have（）.
A.KML less than KGL B.an off-center LCG C.LCG greater than LCB D.KML greater than KMT
A semisubmersible rig under tow should be ballasted dow...
单项选择题A semisubmersible rig under tow should be ballasted down if（）.
A.motion begins to be excessive B.water begins to break over the pontoons C.period of roll exceeds 12 seconds D.forward progress is halted by head wind
