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 primarycoat 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.