You may BEST turn a twin-screw vessel about，to the right，in a narrow channel by using ______.A.Both engines ahead and helmB.One engine onlyC.Port engine ahead and the starboard engine asternD.Both engines astern and use helm
You may BEST turn a twin-screw vessel about，to the right，in a narrow channel by using ______.
A.Both engines ahead and helm
B.One engine only
C.Port engine ahead and the starboard engine astern
D.Both engines astern and use helm
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