前进一!
A.Full ahead!
B.Slow ahead!
C.Half ahead!
D.Ahead three
第3题
A.Bow stern full to port!
B.Bow stern half to port!
C.Bow thrust full to starboard !
D.Bow thrust full to port!
第4题
A.Bow stern full to port!
B.Bow thrust half to port!
C.Bow thrust full to starboard !
D.Bow thrust full to port!
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