But the macromolecule amphoteric polyacrylamide effecting on the drainage was much worse than that on retention.

  • 但高分子的聚丙烯酰胺的助滤效果远不及助留效果好.

  • 互联网摘选 2025-01-17 07:19:35

    • 相关例句
    精确
    • 模糊
    • 词首
    • 词尾
    • 词义
    • 例句