多选题:废水处理系统中有固体废物产生的是(  )。A.均质池B.初沉池C.二沉池D.曝气池

题目内容:
废水处理系统中有固体废物产生的是(  )。
A.均质池
B.初沉池
C.二沉池
D.曝气池
参考答案:
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