问题
单项选择题
For an upright vessel, draft is the vertical distance between the keel and the().
A.waterline
B.freeboard deck
C.plimsoll mark
D.admidships section
答案
参考答案:A
For an upright vessel, draft is the vertical distance between the keel and the().
A.waterline
B.freeboard deck
C.plimsoll mark
D.admidships section
参考答案:A