micro-polluted raw water 微污染原水
light-polluted raw water 微污染水源水
polluted raw water 受污染水源水
microbe-polluted raw water 微污染水源水
slightly-polluted raw water 微污染源水
slightly polluted raw water 微污染原水
slighted-polluted raw water 微污染水源水
the micro-polluted raw water 微污染水源水
Biological pretreatment technology is an economic and efficient method to remove ammonia - nitrogen in micro - polluted raw water.
生物预处理是去除微污染源水中氨氮的一种经济有效的方法。
This simple technique may be used to treat micro-polluted raw water and can remove organic pollutants and ammonia efficiently.
该工艺具有工艺简单、适合于处理微污染水，能够有效地去除有机物和氨氮。
Both bio contact oxidation tank and ceramic bio filter are always adopted for bio pretreatment of micro polluted raw water.
生物接触氧化池和生物陶粒滤池是对微污染原水进行预处理时两种常用的生物反应器。
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