Mountain streams are different from common rivers in hydrological and geological features. So different also are their self - purification mechanism to organic pollutants.
由于山溪与河流的水文和地质条件不同，所以它们对有机污染物的自净作用机理也很不一样。
Mountain streams are different from common rivers in hydrological and geological features. So different also are their self - purification mechanism to organic pollutants.
由于山溪与河流的水文和地质条件不同，所以它们对有机污染物的自净作用机理也很不一样。
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