In this paper, the development history of hair removal techniques in leather making and all kinds of hair removal mechanism were summed up and a comparison, especially combining hair removal methods, as well as hair removal system synergy were introduced. At the same time, the development trend of future hair removal methods was discussed.%介绍了制革工业脱毛技术的发展历程与脱毛机理，分析总结了现有的若干脱毛技术，并对它们进行了比较，尤其探讨了若干脱毛体系下的协同作用，最后展望了未来脱毛技术的发展趋势。
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