For determination of low components of petroleum aluminum sulfate flocculation was performed to preconcentrate the petroleum.

  • 为了检测水中低浓度石油类,通过硫酸铝絮凝沉淀,富集萃取,可以得到较高浓度的组分.

  • 互联网摘选 2025-01-19 23:06:37

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