polybasic acid

例句：

1. 1. This compound is used in the production of polybasic acid.
   这种化合物用于生产多基酸。
2. 2. Polybasic acid is a key component in many industrial processes.
   多基酸是许多工业过程中的关键成分。
3. 3.The research on polybasic acid has significant implications for environmental protection.
   对多基酸的研究对环境保护具有重要意义。