单项选择题
A.ballast deep tanks if they are slack B.transfer ballast athwartships C.pump out double bottoms D.fill double bottoms from deep tanks
A.she's loaded a little deeper forward B.she's loaded a little deeper aft C.she has not any ballast at all D.the cargo is properly distributed throughout the ship
A.stability at all angles of inclination B.initial stability C.stability at angles less than the limit of positive stability D.stability at angles less than the downflooding angle