A.駕駛員的年齡因素; B.申請公司的指示; C.所用航海出版物的改正情況; D.以上均對。
Every deck officer should be able efficiently carry out:()
A.Administration; B.Navigation/Collision Avoidance; C.Conning; D.Above of all.
A.Conning B.Navigation/Collision Avoidance C.Administration D.Above of all