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On February 20th,the urban tap watersupplied to Yancheng city,a 400 thousandcitizens medium city in Jiangsuprovince,was found polluted by phenolcontaining sewage.According to the in-
On February 20th, the urban tap watersupplied to Yancheng city, a 400 thousand centimeter medium city in Jiangsuprovince, was found polluted by phenolcontaining sewage. According to the in-