A method for determining hydroxyl value of epoxy-containing polyester, namely acetyl chloride method is introduced.

  • 介绍了一种含环氧基聚酯的羟值测定方法, 即乙酰氯法.

  • 互联网摘选 2025-01-18 10:10:58

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