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單項(xiàng)選擇題

（）(瀝青) is used in bilges and peak tanks.

A.Cement wash
B.Bitumen
C.Paint
D.Varnish

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單項(xiàng)選擇題

（）(清漆) is certainly for deck rails, cabin doors and the other woodwork.

A.Varnish
B.White paint
C.Black paint
D.Primer

單項(xiàng)選擇題

The first coat to a bare metal surface is the （）(底漆).

A.undercoat
B.primer
C.topcoat
D.thinner