polycarboxylates high performance water-reducing admixture的意思|示意
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聚羧酸酯高效减水剂
polycarboxylates high performance water-reducing admixture的网络常见释义
聚羧酸系高性能减水剂 ...聚羧酸系高性能减水剂；碱含量；粉煤灰 [gap=1327]Key words：prestressed concrete cylinder pressure pipe；polycarboxylates high performance water-reducing admixture；alkali content；fly ash ..