单项选择题
The stability of a semisubmersible ship would be seriously reduced if flooding occurred in the（）.
A.submerged hulls B.column void spaces C.dry mud tanks D.ballast tanks
单项选择题 The moment of a force is a measure of the（）.
单项选择题 The maximum angle at which the intact stability curves are valid for ship’s is the angle for（）.
单项选择题 The important initial stability parameter，GM，is the（）.
