18. When a ro-ro ferry is set to departure, the bow ______ and the bow door should be closed
and secured.
(A) visor
(B) thruster
(C) clamshell
(D) ramp
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統計: A(22), B(91), C(77), D(323), E(0) #3246823
統計: A(22), B(91), C(77), D(323), E(0) #3246823
