English translation for "natural purification"

自净作用
自然净化作用

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

ethylene purification:  乙烯精炼

Example Sentences:

	1.	Since the netherlands is located at the very end of the rhine river , the water must first be subjected to advanced treatment , then injected underground for several months of natural purification before it can be used 荷兰处于莱茵河最下游，须以高级处理，甚至再灌注于地下，经地层自然净化数月后再用。
	2.	The arrangement is to maintain a favourable ecological balance and good water quality through natural purification in the reservoirs where fish play an effective role in controlling algal proliferation 有关安排旨在令水塘中生长的鱼类有效地控制水藻及浮游植物的数量，确保水塘的生态环境得到平衡，以及透过自然净化，令水质优良。

Similar Words：

"natural protein fibre" English translation, "natural pruning" English translation, "natural pulpstone" English translation, "natural pumice" English translation, "natural punishment" English translation, "natural purification characteristic" English translation, "natural purification characteristics" English translation, "natural purification process" English translation, "natural quality" English translation, "natural quarrying" English translation