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�ǰ̎��ˇ��CODc �c��I(y��)�Įa(ch��n)Ʒ��ͼ��ˇ·��кܴ��P(gu��n)ϵ��ǰ��M�б��(�璁��,��L��,��)��Ȼ��M�г�Ϟ,��,��ϴ��ȹ��Ŀ��Ǟ��m(x��)��價��ṩһ��坍�ı��,��Ŀǰ�^��(sh��)��像S��õ��黯��Ϟ,��͹�ˇ��Uˮ�к��ķ��x��ͱ��Ԅ�,��x��ͱ��Ԅ��(�羏�g��),��@Щ��|(zh��)��Ǹ߷��ЙC��Ⱦ���a(ch��n)�^��й��Ϟ��۱��黯��M�˹��ĸҺ,��S��a(ch��n)�^��M�й��ĸҺ�е��ە��u�e�۵��O��ֵ,��@�r��ĸҺ��ȫ��ŷŸɃ��ơ��ǰ̎��Ĺ��ĸҺ�е��Ⱦ��Ҫ�Ǳ��Ԅ�,��,��V��ͼ�Ϟ��@��֏UҺ�]��κεĻ��Ճrֵ,��I(y��)��ֱ��ˮ̎��ϵ�y(t��ng),��˕r��ĸҺCODcr��߿��_20 000��50 000 mg/L��һ��r��I(y��)��ǰ̎��ĸҺ�Ĺ��7��15�죬��@��֏Uˮ��ˮ̎��ϵ�y(t��ng)��CODc ֵ�к܏��ě_��,��

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