although COD(subscript Mn) of raw water was 6~8 mg/L, the risk of outbreaking growth of bryozoan in suspended carriers was weak.
苔藓虫的死亡残体和虫体的毒性很弱,不会对人体造成危害。
although COD(subscript Mn) of raw water was 6~8 mg/L, the risk of outbreaking growth of bryozoan in suspended carriers was weak.
苔藓虫的死亡残体和虫体的毒性很弱,不会对人体造成危害。
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