Scrub each optical surface with a gauze pad soaked in isopropyl alcohol. Rinse thoroughly with distilled water.
Scrub each optical surface with a gauze pad soaked in isopropyl alcohol. Rinse thoroughly with distilled water.
光学表面用含异丙醇的网垫擦净。然后用蒸馏水漂洗。
Scrub each optical surface with a gauze pad soaked in isopropyl alcohol. Rinse thoroughly with distilled water.
光学表面用含异丙醇的网垫擦净。然后用蒸馏水漂洗。