This paper discusses its action principle and analyses its technical characters when polycarboxlic series of high performance water reducer used in commercial concrete.
英
美
释义
探讨聚羧酸系高效减水剂的作用机理;分析其在粉煤灰混凝土中应用的技术特点;为新型外加剂的推广提供借鉴和指导.
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