You may BEST turn a twin-screw vessel about, to the right, in a narrow channel by using______.(1.0)
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正确答案C
You may BEST turn a twin-screw vessel about, to the right, in a narrow channel by using______.(1.0)
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正确答案C