18. ______ is a fixture onboard that guides ropes in the direction required.
(A) Buoy
(B) Winch
(C) Forecastle
(D) Fairlead
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統計: A(67), B(112), C(78), D(302), E(0) #1764728
統計: A(67), B(112), C(78), D(302), E(0) #1764728