单项选择题
A vessel having continuous closely spaced transverse strength members is（）.
A.longitudinally framed B.transversely framed C.cellular framed D.web framed
单项选择题 A term applied to the bottom shell plating in a double-bottom ship is（）.
单项选择题 A simplified construction plan may be included in the ship construction portfolio provided it adequately defines the（）.
单项选择题 A cofferdam is（）.
