polycarboxylic acids

• 聚羧酸

polycarboxylic acids的用法和样例：

例句

1. The application and development of superplasticizers in Japan are put forward.The study forecasts polycarboxylic acid superplasticizer will be developing in our country.
   介绍了日本高效减水剂的应用情况及发展趋势，并预测聚羧酸系减水剂将是我国高效减水剂发展的一个重要方向。