We are used to sanitize the sewage by liquid chlorine and natrium chlorite.

  • 过去,对医院污水多采用液氯法和次氯酸消毒法.

  • 期刊摘选 2025-01-20 17:49:06

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