單項(xiàng)選擇題

（）cargo must be kept away from dry cargo.

A.Wet
B.Heavy
C.Light
D.Dry

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單項(xiàng)選擇題

（）cargo is unloaded by large grain elevators.

A.General
B.Liquid
C.Drybulk
D.Wet

單項(xiàng)選擇題

Rice is usually in （）.

A.drums
B.cases
C.bags
D.tanks