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單項選擇題

This is a（）（側(cè)滾動）type hatch cover.

A.folding
B.rolling
C.side-rolling
D.unfolding

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單項選擇題

We need plenty of （）(綁扎鋼絲).

A. bridge plates
B. bridge fittings
C. twist locks
D. lashing wires

單項選擇題

（）(夾子)have been used up.

A.Clamps
B.Bars
C.Pads
D.Plates