1·Use high voltage gas-free spraying or roller coat to deal with the cleanness and roughness of the surface. And paint a coat with epoxy closed primary coat paint.
在处理清洁、平整的砼表面，采用高压无气喷涂或辊涂，环氧封闭底涂料一道。
2·She was gobsmacked to find that the man in black coat was her classmate of primary school.
她吃惊的发现那个穿黑外套的男人是她的小学同学。
3·The primary ingredient used in automotive paints to actually coat over, protect, and beautify your vehicle is called resin.
汽车漆面最初的成分是用来遮盖、保护和为你增色的，我们称它为树脂。
4·The patching coat consists of the primary layer made of polyether polyurethane and the surface layer made of elastic polyurethane.
修补的涂层由聚醚聚氨酯底层和弹性聚氨酯面层组合而成。