It is distinctive to comparative color aberration after exposure (exposure area and non-exposure area), easy to check board.
曝光后(曝光区域与非曝光区域)相对色差比较明显，易于检板。
It is distinctive to comparative color aberration after exposure (exposure area and non-exposure area), easy to check board.
曝光后(曝光区域与非曝光区域)相对色差比较明显，易于检板。
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