A vessel fitted with twin screws is easier in()than a vessel with single screw.
A、turning maneuver
B、course setting
C、position fixing
D、regulating speed
A、turning maneuver
B、course setting
C、position fixing
D、regulating speed
A、Coast Guard approved B、stamped with maximum working loads C、securely fastened D、positioned exactly at the bow of the towed vessel
A、any sailing vessel with propelling machinery B、any vessel propelled by machinery C、any sailing vessel with or without machinery for propelling D、any sailing vessel with propelling machinery not in use