23. What is not the primary duty of the officer of the watch (OOW) during navigation?
(A) Watchkeeping.
(B) Navigation.
(C) Radio watchkeeping.
(D) Cargo monitoring.

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統計： A(23), B(29), C(15), D(178), E(0) #3009044

詳解 (共 1 筆)

#5744022
23. 什麼不是值班高級船員 (OO...
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