清洁表面,以确保粘接符合要求
A.Clean the surface to make sure that the sealing is satisfactory. B.Clean surfaces to ensure the bonding as required. C.Clean the surface to make sure that the bond is satisfactory.正确答案B
清洁表面,以确保粘接符合要求
A.Clean the surface to make sure that the sealing is satisfactory. B.Clean surfaces to ensure the bonding as required. C.Clean the surface to make sure that the bond is satisfactory.正确答案B