self-purification

英 ['selfpjʊərɪfɪ'keɪʃən] 美 ['selfpjʊərɪfɪ'keɪʃən]

• n. 自然净化

词汇搭配

• natural self-purification capacity 天然自净能力...
• biological self purification 生物自净酌
• self purification 自净酌
• rate of self-purification 自净速率
• self-purification capacity 自净能力
• self purification process 自净过程
• effect of self-purification 自净效应
• self-purification ability 自清能力
• self-purification parameter 自净参数
• natural self-purification 天然自净化作用...
• biological self-purification 生物自净作用...
• mechanism of self-purification 自净机理
• self-purification constant 自净常数