cleam

cleam

美 　英

• 网络清洁的

例句

Surface must be completely cleam. dry and free of dust and oil. If applied on plastic, polish the surface with sand paper to make it rough.

接合面必须清洁，干燥，无灰尘或油污，若是塑料物件，应先用砂纸打磨其表面，使之粗糙。