题目内容
(请给出正确答案)
[单选题]
污水处理厂的处理效率,二级处理生物膜法BOD5去除率为()。
A.65%~90%
B.60%~80%
C.65%~90%
D.50%~80%
查看答案
如果结果不匹配,请 联系老师 获取答案
A.65%~90%
B.60%~80%
C.65%~90%
D.50%~80%
A.2.4kg,200m
B.57.6kg,133m
C.144.0kg,200m
D.57.6kg,200m
A.2.49×10kgO2/d
B.3.13×10kgO2/d
C.2.77×10kgO2/d
D.1.80×10kgO2/d
A.77m2,0.03
B.95m2,0.03
C.77m2,0.04
D.95m2,0.04