【填空题】
A、at B、on C、in D、of
A、A. Dry cargo is usually stowed in the hold. B、B. Dry cargo is usually stowed at the hatch. C、C. Wet cargo is usually stowed in the hold.
A、with both pumps on line at the same time B、with one pump on standby C、with the follow-up gear disconnected D、only when the rudder is moved amidships