Scrub each optical surface with a gauze pad soaked in acetone. Rinse thoroughly with distilled water.
Scrub each optical surface with a gauze pad soaked in acetone. Rinse thoroughly with distilled water.
或者用含丙酮的网垫擦洗光学表面。然后用蒸馏水漂洗。
Scrub each optical surface with a gauze pad soaked in acetone. Rinse thoroughly with distilled water.
或者用含丙酮的网垫擦洗光学表面。然后用蒸馏水漂洗。