单选题（）(富余水深) is the depth remaining under a ship’s bottom.AUnder-keel heightBUnder-keel clearanceCUnder-keel draftDUnder-keel depth
单选题
（）(富余水深) is the depth remaining under a ship’s bottom.
A
Under-keel height
B
Under-keel clearance
C
Under-keel draft
D
Under-keel depth
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