单项选择题
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
（）is the eye of the ship.A.Engine roomB.BridgeC.DeckD.C...
单项选择题（）is the eye of the ship.
A.Engine room B.Bridge C.Deck D.Compass
