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��/(mg·L^-1)	280.0	80.0	9.3	1.78	0.4
CODcr/(mg·L^-1)	473.0	295.0	157.0	58.0	38.1
pH	7.2	7.2	7.5	7.8	7.9
SS/(mg·L^-1)	167.0	��	��	28.0	3.0
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