Lighter longitudinal stiffening frames on
题型:单项选择题
问题:
Lighter longitudinal stiffening frames on the vessel side pating are called().
A.stringers
B.side frames
C.side stiffeners
D.intercostals
Lighter longitudinal stiffening frames on the vessel side pating are called().
A.stringers
B.side frames
C.side stiffeners
D.intercostals