【Key words】 pOlycarboxylic type； super plasticizer； earboxylic series copolymer； unit chemical structure； liquid flowability； orthogonal test； water-reducing ratio
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Polycarboxylic type water - reducer 聚羧酸系减水剂
polycarboxylic type superplasticizer 聚羧酸系高效减水剂
polycarboxylic type water reducer 聚羧酸类减水剂
the polycarboxylic type water reducer 聚羧酸系减水剂
polycarboxylic type water reducing agent 聚羧酸系减水剂
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