polluted water algae 中文意思是什麼
polluted water algae
解釋
污染的水藻-
In chinese north cities, more than 70 % of drinking water resource is surface water which has been seriously polluted by organic matters and algae
我國北方城市水源70以上為地表水,有機物污染嚴重,藻類大量繁殖,各種浮遊動物孳生,常規處理工藝無法滿足安全飲用水供應的需要。
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