相关考题
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单项选择题
（）(沥青) is used in bilges and peak tanks.
A.Cement wash
B.Bitumen
C.Paint
D.Varnish -
单项选择题
（）(清漆) is certainly for deck rails, cabin doors and the other woodwork.
A.Varnish
B.White paint
C.Black paint
D.Primer -
单项选择题
The first coat to a bare metal surface is the （）(底漆).
A.undercoat
B.primer
C.topcoat
D.thinner
