• 1. primary coat: 底漆
• 2. epoxy primary coat: 环氧底涂
• 3. to applied primary coat: 打底油漆

• 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。
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• 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。
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• 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。
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