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單項(xiàng)選擇題

- What kind of paint for the hull?
-（）.

A.OK
B.A hammer
C. Black paint
D. Thinner

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單項(xiàng)選擇題

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

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

單項(xiàng)選擇題

（）can thin down paint.

A. The anti-fouling paint
B. The thinner
C. The varnish
D. primer

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