单项选择题
On a vessel,the keel is the primary strength member of the lower hull form in which direction ________.
A.Transverse
B.Diagonal
C.Longitudinal
D.Vertical
A.A.Transverse
B.Diagonal
C.Longitudinal
D.Vertical
点击查看答案
<上一题
目录
下一题>
热门
试题
单项选择题
A.B.C.D.
A.
B.
C.
D.
点击查看答案&解析
单项选择题
一般无机非金属材料导热系数低于金属材料的原因是( )
A.缺少离子
B.缺少自由电子
C.孔隙率高
D.光子数少
点击查看答案
相关试题
Limber is a term associated with ...
A.B.C.D.
Compared to internal structural plat...
A.98.8B.217.4C.217.4×...
In vessel construction,a greater nu...