单选题While moving ahead,a twin-screw ship has an advantage over a single-screw ship because ().Acorrect trim will be obtained more easilyBdrag effect will be cancelled outCside forces will be eliminatedDspeed will be increased

单选题
While moving ahead,a twin-screw ship has an advantage over a single-screw ship because ().
A

correct trim will be obtained more easily

B

drag effect will be cancelled out

C

side forces will be eliminated

D

speed will be increased


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