Forty-five fathoms is marked on the anchor chain by().
A、one turn of wire on the first stud from each side of the detachable link
B、two turns of wire on the second stud from each side of the detachable link
C、three turns of wire on the third stud from each side of the detachable link
D、four turns of wire on the fourth stud from each side of the detachable link
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