单项选择题
A.Minerals Management Service B.Department of Energy C.Corps of Engineers D.A recognized classification society approved
A floating vessel will behave as if all of its weight i...
单项选择题A floating vessel will behave as if all of its weight is acting downward through the（）.
A.center of gravity B.center of buoyancy C.center of flotation D.metacenter
A continual worsening of the list or trim indicates（）.A...
单项选择题A continual worsening of the list or trim indicates（）.
A.negative GM B.progressive flooding C.structural failure D.an immediate need to ballast
（）we have worked out the loading plan，we shall start do...
单项选择题（）we have worked out the loading plan，we shall start doing more revision work.
A.For now B.Ever since C.Now that D.By now
