The center of volume of the immersed portion of the hull is called the().
A.center of buoyancy
B.center of flotation
C.center of gravity
D.tipping center
参考答案:A
The center of volume of the immersed portion of the hull is called the().
A.center of buoyancy
B.center of flotation
C.center of gravity
D.tipping center
参考答案:A