单项选择题
The principle protective coating is （）.
A. cement wash
B. paint
C. bitumen
D. undercoat
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相关考题
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单项选择题
（）are the three different coatings which can protect metal from corrosion.
A. Cement wash, bitumen and paint
B. Metal primers, undercoats and topcoats
C. Varnishes, heat-resistant paints and anti-fouling paints
D. Cement wash, primer and undercoat -
单项选择题
The basic types of paint used on a ship are （）.
A. cement wash, bitumen and paint
B. primer, undercoats and top coats
C. topside paint, boot-topping paint and bottom paint
D. primer, cement wash and paint -
单项选择题
We need different kinds of paint for （）areas.
A.every
B.each
C.different
D.same
