If the substrate is metal, I sand blast it when possible or use 80 grit emery paper as a second choice.
如果基板是金属，如可能我就喷砂或者，作为第二选择80粒度的金刚砂纸。
If required, rub with fine abrasive paper or lightly blast with suitable grit all the surface to which adhesive will be applied.
如果需要，使用细砂纸打磨或用适当的砂粒轻度喷吹所有的拟敷胶表面。
This system can be used in a wide variety of blasting operations including coating removal, blending, peening, grit blasting and general purpose blast finishes.
该系统能够进行各种喷丸操作，包括涂层剥离，混料，喷丸，打磨喷丸和通用目的的喷丸精整。
This system can be used in a wide variety of blasting operations including coating removal, blending, peening, grit blasting and general purpose blast finishes.
该系统能够进行各种喷丸操作，包括涂层剥离，混料，喷丸，打磨喷丸和通用目的的喷丸精整。
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