它是指感光材料由于湿度和温度的变化以及冲洗和老化引起的尺寸变化。
It fingers light sensitive materials because of humidity and temperature changes as well as swash and aging caused the size changes.
它是指感光材料由于湿度和温度的变化以及冲洗和老化引起的尺寸变化。
It fingers light sensitive materials because of humidity and temperature changes as well as swash and aging caused the size changes.
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