問題詳情

12.A vessel fitted with twin screws is easier in than a vessel with single screw.
(A)course setting
(B)turning manoeuver
(C)position fix
(D)tug boat operation

參考答案

答案：B
難度：適中0.666667
統計：A(0),B(4),C(2),D(0),E(0)