单项选择题
A.in B.over C.to D.with
Primer coats are applied to a bare metal surface to ()p...
单项选择题Primer coats are applied to a bare metal surface to ()protection against rust.
A.let B.give C.prevent D.take
Primer coats are applied to a bare metal surface to giv...
单项选择题Primer coats are applied to a bare metal surface to give protection against ().
A.rust B.dirt C.dust D.air
()is used in bilges and peak tanks.A.BitumenB.PaintC.Ce...
单项选择题()is used in bilges and peak tanks.
A.Bitumen B.Paint C.Cement wash D.Varnish