下列属于混凝土外加剂的是( )A.减水剂 B.粉煤灰 C.缓凝剂 D.早强剂 E.防冻剂

作者: rantiku 人气: - 评论: 0
问题 下列属于混凝土外加剂的是( )
选项 A.减水剂 B.粉煤灰 C.缓凝剂 D.早强剂 E.防冻剂
答案 ACDE
解析 目前在工程中常用的混凝土外加剂主要有减水剂、引气剂、早强剂、缓凝剂、防冻剂、速凝剂、膨胀剂等。故选择ACDE

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