单选题If separating effect is not good, we can improve it by （）Aflushing separator with hot waterBincreasing water supply flowCheat oily water properlyDopening manual oil discharge value
单选题
If separating effect is not good, we can improve it by （）
A
flushing separator with hot water
B
increasing water supply flow
C
heat oily water properly
D
opening manual oil discharge value
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