Emergency full ahead! ()
A、应急全速后退
B、应急全速前进
C、应急半速后退
D、应急半速前进
A、应急全速后退
B、应急全速前进
C、应急半速后退
D、应急半速前进
A、one engine ahead and one engine astern,with full rudder B、one engine ahead and one engine astern,with rudders amidships C、both engines ahead,with full rudder D、both engines astern,with full rudder