In order to prevent galvanic corrosion,an aluminum boat must be insulated from the davits and gripes. Which of the following is acceptable as an insulator?()
A.Hard rubber
B.Canvas
C.Leather
D.Sponge rubber
参考答案:A
In order to prevent galvanic corrosion,an aluminum boat must be insulated from the davits and gripes. Which of the following is acceptable as an insulator?()
A.Hard rubber
B.Canvas
C.Leather
D.Sponge rubber
参考答案:A