In ship construction, keel scantlings should be the greatest ______.
A.at each frame
B.amidships
C.one-third the distance from the bow
D.one-third the distance from the stern
正确答案:B
在建造船舶时龙骨的尺寸在船中是最大的
In ship construction, keel scantlings should be the greatest ______.
A.at each frame
B.amidships
C.one-third the distance from the bow
D.one-third the distance from the stern
正确答案:B
在建造船舶时龙骨的尺寸在船中是最大的