单项选择题
（）is applied to the area of the ship’s hull which is out of water when the ship is loaded.
A. Boottopping paint B. Topside paint C. Bottom paint D. Primer
单项选择题 Topside paint is applied to the area of the ship’s （）which is out of water when the ship is loaded.
单项选择题 （）can give a hard-wearing surface and the required color.
单项选择题 Undercoats are used （）the primer before the topcoat.
