______:the vertical distance measured on the vessel’s side amidships from the load water line to the upper side of the freeboard deck or a point corresponding to it.
A.Buoyancy
B.Freeboard
C.Draft
D.Displacement
正确答案:B
船中部从载重水线垂直测量到干舷甲板上边缘或相应的点的距离叫干舷