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單項(xiàng)選擇題

We are （）the cargo wire.

A.greasing
B.greaseing
C.greased
D.greaser

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單項(xiàng)選擇題

Containers are loaded and discharged by（）.

A. heavy derrick
B. special cranes
C. fork trucks
D. winch

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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