单项选择题
A.pitching B.yawing C.rolling D.tracking
That center around which a vessel trims is called the（）...
单项选择题That center around which a vessel trims is called the（）.
A.tipping center B.center of buoyancy C.center of gravity D.turning center
Semisubmersibles A and B are identical. However，A is mo...
单项选择题Semisubmersibles A and B are identical. However，A is more tender than B. This means that A relative to B has a（）.
A.lower KG B.smaller GM C.smaller roll angle D.larger GZ
Progressive flooding may be indicated by（）.A.ballast co...
单项选择题Progressive flooding may be indicated by（）.
A.ballast control alarms B.excessive draft C.excessive list or trim D.a continual worsening of list or trim
