The paper introduces the principles and types for the cold-recycling technique,analyzes the advantages of the technique,mainly stud-ies the application of the cold-recycling technique at cement plants and cement cold-in-place recycling technique in road projects,and points out the economic and social benefits of the cold recycling technique,so it can be further applied.%介绍了冷再生技术的原理及类型，分析了冷再生技术的优点，对水泥厂拌冷再生方式与水泥就地冷再生方式在公路工程中的应用技术进行了详细研究，指出冷再生技术具有显著的经济效益和社会效益，值得推广应用。
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