求翻译：4.蝕刻過度*1pcs：在我司電測機上對不良品進行電測，發現确如客戶所述有缺畫現象(如圖1），在顯微鏡下對缺畫部分進行觀察，發現導致缺畫的原因為盒內蝕刻過度（如圖2），造成不良的原因分析為PR前局部未清洗乾淨產生局部斷路。是什么意思？

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4. etched excessive *1pcs: In respect the detected on the poor quality for the detected that are for customers as described in a no-phenomena (Figure 1), the microscope the missing picture section of a observe that result in out-of-box with etched excessive (Figure 2), the result is a bad reason ana

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4. etched excessive *1pcs: in our electric measuring machine Shang on bad products for Electric measuring, found does as customer by said has deficiency painting phenomenon (as Figure 1), in microscope Xia on deficiency painting part for observation, found led to deficiency painting of reasons for b

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