polycarboxylates high performance water-reducing admixture
...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 ..
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polycarboxylates high performance water-reducing admixture
聚羧酸酯类高性能减水剂
以上为机器翻译结果，长、整句建议使用 人工翻译 。