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鏡頭蓋和鏡頭之間有明顯的灰塵，如何修復？

08-22-2023


為了避免起霧，投影機鏡頭前面的玻璃沒有完全密封。隨著時間的推移，環境灰塵自然會積累。 除非您發現圖像質量下降，否則無需擔心灰塵。

 



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