The extension of the after part of the keel in a single-screw vessel upon which the stern post rests is called the().
A.boss
B.knuckle
C.skeg
D.strut
参考答案:C
The extension of the after part of the keel in a single-screw vessel upon which the stern post rests is called the().
A.boss
B.knuckle
C.skeg
D.strut
参考答案:C