English translation for "天然自净化作用"

natural self-purification

Related Translations:

生物净化:  biocleanbiologic cleaningbiologic purificationbiological cleaningbiological eliminationbiological purificationbiologicalpurificationbiopurification

天然水面:  natural water table

天然水位:  natural water level

天然通风:  natural draft ventilationnatural ventilation

天然外观:  natural looking

天然水:  connate waternative waternatural waternaturalwater

天然流域:  natural watershed

天然氧化铁:  natural iron oxide

天然软木:  natural cork

天然硫酸钡:  barytenative sulfate of barium

Similar Words：

"天然资源及环境学" English translation, "天然紫外线源" English translation, "天然子结构" English translation, "天然自动免疫" English translation, "天然自净化" English translation, "天然自净能力" English translation, "天然自然授粉" English translation, "天然自身耐受性" English translation, "天然鬃毛" English translation, "天然鬃刷" English translation