单项选择题
The deck beam brackets of a transversely framed vessel resist（）.
A.hogging stresses B.sagging stresses C.racking stresses D.shearing stresses
单项选择题 The central longitudinal structural hull strength member of the lower hulls of semisubmersible ship’s is called the（）.
单项选择题 Support of ship side plating is provided primarily by transverse（）.
单项选择题 Structural stress on a ship can be reduced by（）.
