Hypo: Abbreviation for sodium hyposulphite, a chemical used to fix photographic images after development.
大苏打：英文是硫代梳酸钠的简称。是显影后把照相影像定影的化学剂。
This article describes the improvement on the TMP sodium hyposulphite bleaching system and analyzes the factors affecting bleaching effect.
介绍了TMP连二亚硫酸钠漂白系统的改进，对影响漂白效果的因素进行了分析。
This article describes the improvement on the TMP sodium hyposulphite bleaching system and analyzes the factors affecting bleaching effect.
介绍了TMP连二亚硫酸钠漂白系统的改进，对影响漂白效果的因素进行了分析。
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