题目：
UBF反应器在启动初期一般进水容积负荷率控制在（）kgCOD/（m3.D）.
A.0.5一1
B.1一2
C.2一3
D.0.5以下
答案：
参考答案：B
UBF反应器在启动初期一般进水容积负荷率控制在（）kgCOD/（m3.D）.A.0.
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