單項選擇題

There are many （）(類型)of ship’s cargo handling equipment.

A.types
B.kind
C.series
D.type

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單項選擇題

When the derrick changes its （）(角度), its lifting capacity changes correspondingly.

A.angel
B.length
C.height
D.angle

單項選擇題

The derrick can’t be （）(超載).

A.exceeded
B.overloaded
C.overtaken
D.loaded