單項(xiàng)選擇題

The （）of the derrick is 5 tons.

A.GT
B.SWL
C.DWT
D.TDW

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單項(xiàng)選擇題

Have you got （）lashing wires?

A.plenty
B.much
C.a lot
D.enough

單項(xiàng)選擇題

Something has gone wrong （）the winch.

A.for
B.with
C.in
D.to