本文从材料、环境及结构技术要求等方面,对防冻混凝土和抗冻混凝土这两种技术要求完全不同的建筑材料进行了阐述;引气剂是这两种材料的重要组分,故也作为重点进行了阐述。 In this paper, two different technical requirements for antifreeze concrete and antifreeze concrete are described in terms of material, environment and structural technical requirements. Air entraining agent is an important component of these two materials, so it also focuses on Have elaborated.