English translation for "natural self-purification"

天然自净化作用

Related Translations:

soil purification:  土壤净化

lime purification:  用石灰净化

purification rate:  净化率

solution purification:  溶液净化

purification method:  净化法净化方法

thermal purification:  热净化

batch purification:  分批净化分批净油间歇精制间歇式净化间歇匀精制, 分批式精制

purification index:  净化指数

river purification:  何川净化

vacuum purification:  真空净化

Similar Words：

, "natural self sufficing society" English translation, "natural self tolerance" English translation, "natural self-purification capacity" English translation, "natural self-supporting arch" English translation, "natural sensitivity" English translation, "natural series" English translation, "natural serum" English translation